Home / 1,207,348.10-1,810,366.05-408,218.30

Finding the Fourth Proportional to 1,207,348.10, 1,810,366.05 and 408,218.30

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Solution

The fourth proportional to 1,207,348.10, 1,810,366.05 and 408,218.30 is: 612,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,348.10 : 1,810,366.05 = 408,218.30 : x
  2. Step 2: Convert to fraction form
    1,207,348.10/1,810,366.05 = 408,218.30/x
  3. Step 3: Cross multiply
    1,207,348.10x = 1,810,366.05 × 408,218.30
  4. Step 4: Simplify right side
    1,207,348.10x = 739,024,551,308.72
  5. Step 5: Solve for x
    x = 739,024,551,308.72/1,207,348.10
  6. Step 6: Final answer
    x = 612,105.62

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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.