Home / 1,428,033.27-2,142,404.45-708,712.57

Finding the Fourth Proportional to 1,428,033.27, 2,142,404.45 and 708,712.57

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Solution

The fourth proportional to 1,428,033.27, 2,142,404.45 and 708,712.57 is: 1,063,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,033.27 : 2,142,404.45 = 708,712.57 : x
  2. Step 2: Convert to fraction form
    1,428,033.27/2,142,404.45 = 708,712.57/x
  3. Step 3: Cross multiply
    1,428,033.27x = 2,142,404.45 × 708,712.57
  4. Step 4: Simplify right side
    1,428,033.27x = 1,518,348,963,537.80
  5. Step 5: Solve for x
    x = 1,518,348,963,537.80/1,428,033.27
  6. Step 6: Final answer
    x = 1,063,244.81

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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.