Home / 1,107,182.48-1,528,160.52-724,987.28

Finding the Fourth Proportional to 1,107,182.48, 1,528,160.52 and 724,987.28

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Solution

The fourth proportional to 1,107,182.48, 1,528,160.52 and 724,987.28 is: 1,000,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,182.48 : 1,528,160.52 = 724,987.28 : x
  2. Step 2: Convert to fraction form
    1,107,182.48/1,528,160.52 = 724,987.28/x
  3. Step 3: Cross multiply
    1,107,182.48x = 1,528,160.52 × 724,987.28
  4. Step 4: Simplify right side
    1,107,182.48x = 1,107,896,938,798.19
  5. Step 5: Solve for x
    x = 1,107,896,938,798.19/1,107,182.48
  6. Step 6: Final answer
    x = 1,000,645.29

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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.