Home / 1,275,151.61-1,759,264.11-723,801.62

Finding the Fourth Proportional to 1,275,151.61, 1,759,264.11 and 723,801.62

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Solution

The fourth proportional to 1,275,151.61, 1,759,264.11 and 723,801.62 is: 998,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,151.61 : 1,759,264.11 = 723,801.62 : x
  2. Step 2: Convert to fraction form
    1,275,151.61/1,759,264.11 = 723,801.62/x
  3. Step 3: Cross multiply
    1,275,151.61x = 1,759,264.11 × 723,801.62
  4. Step 4: Simplify right side
    1,275,151.61x = 1,273,358,217,224.02
  5. Step 5: Solve for x
    x = 1,273,358,217,224.02/1,275,151.61
  6. Step 6: Final answer
    x = 998,593.58

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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.