Home / 1,307,140.79-1,803,815.25-726,362.13

Finding the Fourth Proportional to 1,307,140.79, 1,803,815.25 and 726,362.13

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Solution

The fourth proportional to 1,307,140.79, 1,803,815.25 and 726,362.13 is: 1,002,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,140.79 : 1,803,815.25 = 726,362.13 : x
  2. Step 2: Convert to fraction form
    1,307,140.79/1,803,815.25 = 726,362.13/x
  3. Step 3: Cross multiply
    1,307,140.79x = 1,803,815.25 × 726,362.13
  4. Step 4: Simplify right side
    1,307,140.79x = 1,310,223,077,628.32
  5. Step 5: Solve for x
    x = 1,310,223,077,628.32/1,307,140.79
  6. Step 6: Final answer
    x = 1,002,358.04

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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.