Home / 1,118,564.64-1,543,642.92-609,265.80

Finding the Fourth Proportional to 1,118,564.64, 1,543,642.92 and 609,265.80

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Solution

The fourth proportional to 1,118,564.64, 1,543,642.92 and 609,265.80 is: 840,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,564.64 : 1,543,642.92 = 609,265.80 : x
  2. Step 2: Convert to fraction form
    1,118,564.64/1,543,642.92 = 609,265.80/x
  3. Step 3: Cross multiply
    1,118,564.64x = 1,543,642.92 × 609,265.80
  4. Step 4: Simplify right side
    1,118,564.64x = 940,488,838,568.14
  5. Step 5: Solve for x
    x = 940,488,838,568.14/1,118,564.64
  6. Step 6: Final answer
    x = 840,799.72

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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.