Home / 1,092,006.60-1,638,009.90-992,279.40

Finding the Fourth Proportional to 1,092,006.60, 1,638,009.90 and 992,279.40

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Solution

The fourth proportional to 1,092,006.60, 1,638,009.90 and 992,279.40 is: 1,488,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,006.60 : 1,638,009.90 = 992,279.40 : x
  2. Step 2: Convert to fraction form
    1,092,006.60/1,638,009.90 = 992,279.40/x
  3. Step 3: Cross multiply
    1,092,006.60x = 1,638,009.90 × 992,279.40
  4. Step 4: Simplify right side
    1,092,006.60x = 1,625,363,480,766.06
  5. Step 5: Solve for x
    x = 1,625,363,480,766.06/1,092,006.60
  6. Step 6: Final answer
    x = 1,488,419.10

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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.