Home / 992,072.26-1,488,770.16-637,340.86

Finding the Fourth Proportional to 992,072.26, 1,488,770.16 and 637,340.86

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Solution

The fourth proportional to 992,072.26, 1,488,770.16 and 637,340.86 is: 956,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,072.26 : 1,488,770.16 = 637,340.86 : x
  2. Step 2: Convert to fraction form
    992,072.26/1,488,770.16 = 637,340.86/x
  3. Step 3: Cross multiply
    992,072.26x = 1,488,770.16 × 637,340.86
  4. Step 4: Simplify right side
    992,072.26x = 948,854,054,116.74
  5. Step 5: Solve for x
    x = 948,854,054,116.74/992,072.26
  6. Step 6: Final answer
    x = 956,436.43

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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.