Home / 1,170,078.20-1,755,117.30-460,129.40

Finding the Fourth Proportional to 1,170,078.20, 1,755,117.30 and 460,129.40

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Solution

The fourth proportional to 1,170,078.20, 1,755,117.30 and 460,129.40 is: 690,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,078.20 : 1,755,117.30 = 460,129.40 : x
  2. Step 2: Convert to fraction form
    1,170,078.20/1,755,117.30 = 460,129.40/x
  3. Step 3: Cross multiply
    1,170,078.20x = 1,755,117.30 × 460,129.40
  4. Step 4: Simplify right side
    1,170,078.20x = 807,581,070,178.62
  5. Step 5: Solve for x
    x = 807,581,070,178.62/1,170,078.20
  6. Step 6: Final answer
    x = 690,194.10

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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.