Home / 1,236,140.60-1,853,750.10-488,031.80

Finding the Fourth Proportional to 1,236,140.60, 1,853,750.10 and 488,031.80

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Solution

The fourth proportional to 1,236,140.60, 1,853,750.10 and 488,031.80 is: 731,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,140.60 : 1,853,750.10 = 488,031.80 : x
  2. Step 2: Convert to fraction form
    1,236,140.60/1,853,750.10 = 488,031.80/x
  3. Step 3: Cross multiply
    1,236,140.60x = 1,853,750.10 × 488,031.80
  4. Step 4: Simplify right side
    1,236,140.60x = 904,688,998,053.18
  5. Step 5: Solve for x
    x = 904,688,998,053.18/1,236,140.60
  6. Step 6: Final answer
    x = 731,865.77

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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.