Home / 1,006,890.20-1,510,335.30-822,570.20

Finding the Fourth Proportional to 1,006,890.20, 1,510,335.30 and 822,570.20

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Solution

The fourth proportional to 1,006,890.20, 1,510,335.30 and 822,570.20 is: 1,233,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,890.20 : 1,510,335.30 = 822,570.20 : x
  2. Step 2: Convert to fraction form
    1,006,890.20/1,510,335.30 = 822,570.20/x
  3. Step 3: Cross multiply
    1,006,890.20x = 1,510,335.30 × 822,570.20
  4. Step 4: Simplify right side
    1,006,890.20x = 1,242,356,809,788.06
  5. Step 5: Solve for x
    x = 1,242,356,809,788.06/1,006,890.20
  6. Step 6: Final answer
    x = 1,233,855.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.