Home / 1,055,520-1,456,609.41-572,072.76

Finding the Fourth Proportional to 1,055,520, 1,456,609.41 and 572,072.76

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Solution

The fourth proportional to 1,055,520, 1,456,609.41 and 572,072.76 is: 789,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,520 : 1,456,609.41 = 572,072.76 : x
  2. Step 2: Convert to fraction form
    1,055,520/1,456,609.41 = 572,072.76/x
  3. Step 3: Cross multiply
    1,055,520x = 1,456,609.41 × 572,072.76
  4. Step 4: Simplify right side
    1,055,520x = 833,286,565,420.67
  5. Step 5: Solve for x
    x = 833,286,565,420.67/1,055,520
  6. Step 6: Final answer
    x = 789,455.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.