Home / 1,108,625.60-1,663,375.80-434,592.20

Finding the Fourth Proportional to 1,108,625.60, 1,663,375.80 and 434,592.20

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Solution

The fourth proportional to 1,108,625.60, 1,663,375.80 and 434,592.20 is: 652,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,625.60 : 1,663,375.80 = 434,592.20 : x
  2. Step 2: Convert to fraction form
    1,108,625.60/1,663,375.80 = 434,592.20/x
  3. Step 3: Cross multiply
    1,108,625.60x = 1,663,375.80 × 434,592.20
  4. Step 4: Simplify right side
    1,108,625.60x = 722,890,148,348.76
  5. Step 5: Solve for x
    x = 722,890,148,348.76/1,108,625.60
  6. Step 6: Final answer
    x = 652,059.77

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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.