Home / 992,511.72-1,488,915.18-460,086.57

Finding the Fourth Proportional to 992,511.72, 1,488,915.18 and 460,086.57

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Solution

The fourth proportional to 992,511.72, 1,488,915.18 and 460,086.57 is: 690,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,511.72 : 1,488,915.18 = 460,086.57 : x
  2. Step 2: Convert to fraction form
    992,511.72/1,488,915.18 = 460,086.57/x
  3. Step 3: Cross multiply
    992,511.72x = 1,488,915.18 × 460,086.57
  4. Step 4: Simplify right side
    992,511.72x = 685,029,878,187.13
  5. Step 5: Solve for x
    x = 685,029,878,187.13/992,511.72
  6. Step 6: Final answer
    x = 690,198.28

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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.