Home / 1,336,155.33-1,843,896.81-724,306.20

Finding the Fourth Proportional to 1,336,155.33, 1,843,896.81 and 724,306.20

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Solution

The fourth proportional to 1,336,155.33, 1,843,896.81 and 724,306.20 is: 999,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,155.33 : 1,843,896.81 = 724,306.20 : x
  2. Step 2: Convert to fraction form
    1,336,155.33/1,843,896.81 = 724,306.20/x
  3. Step 3: Cross multiply
    1,336,155.33x = 1,843,896.81 × 724,306.20
  4. Step 4: Simplify right side
    1,336,155.33x = 1,335,545,891,643.22
  5. Step 5: Solve for x
    x = 1,335,545,891,643.22/1,336,155.33
  6. Step 6: Final answer
    x = 999,543.89

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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.