Home / 1,051,570.10-1,577,355.15-490,661.30

Finding the Fourth Proportional to 1,051,570.10, 1,577,355.15 and 490,661.30

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Solution

The fourth proportional to 1,051,570.10, 1,577,355.15 and 490,661.30 is: 735,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,570.10 : 1,577,355.15 = 490,661.30 : x
  2. Step 2: Convert to fraction form
    1,051,570.10/1,577,355.15 = 490,661.30/x
  3. Step 3: Cross multiply
    1,051,570.10x = 1,577,355.15 × 490,661.30
  4. Step 4: Simplify right side
    1,051,570.10x = 773,947,128,460.70
  5. Step 5: Solve for x
    x = 773,947,128,460.70/1,051,570.10
  6. Step 6: Final answer
    x = 735,991.95

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Double scale
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Similar ratio
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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.