Home / 1,142,220.60-1,712,125.17-383,342.40

Finding the Fourth Proportional to 1,142,220.60, 1,712,125.17 and 383,342.40

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Solution

The fourth proportional to 1,142,220.60, 1,712,125.17 and 383,342.40 is: 574,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,220.60 : 1,712,125.17 = 383,342.40 : x
  2. Step 2: Convert to fraction form
    1,142,220.60/1,712,125.17 = 383,342.40/x
  3. Step 3: Cross multiply
    1,142,220.60x = 1,712,125.17 × 383,342.40
  4. Step 4: Simplify right side
    1,142,220.60x = 656,330,171,768.21
  5. Step 5: Solve for x
    x = 656,330,171,768.21/1,142,220.60
  6. Step 6: Final answer
    x = 574,608.94

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Double scale
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1.5x scale

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.