Home / 1,361,489.52-2,043,495.32-688,044.72

Finding the Fourth Proportional to 1,361,489.52, 2,043,495.32 and 688,044.72

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Solution

The fourth proportional to 1,361,489.52, 2,043,495.32 and 688,044.72 is: 1,032,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,489.52 : 2,043,495.32 = 688,044.72 : x
  2. Step 2: Convert to fraction form
    1,361,489.52/2,043,495.32 = 688,044.72/x
  3. Step 3: Cross multiply
    1,361,489.52x = 2,043,495.32 × 688,044.72
  4. Step 4: Simplify right side
    1,361,489.52x = 1,406,016,165,270.71
  5. Step 5: Solve for x
    x = 1,406,016,165,270.71/1,361,489.52
  6. Step 6: Final answer
    x = 1,032,704.36

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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.