Home / 1,207,370.10-1,811,055.15-906,220.20

Finding the Fourth Proportional to 1,207,370.10, 1,811,055.15 and 906,220.20

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Solution

The fourth proportional to 1,207,370.10, 1,811,055.15 and 906,220.20 is: 1,359,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,370.10 : 1,811,055.15 = 906,220.20 : x
  2. Step 2: Convert to fraction form
    1,207,370.10/1,811,055.15 = 906,220.20/x
  3. Step 3: Cross multiply
    1,207,370.10x = 1,811,055.15 × 906,220.20
  4. Step 4: Simplify right side
    1,207,370.10x = 1,641,214,760,244.03
  5. Step 5: Solve for x
    x = 1,641,214,760,244.03/1,207,370.10
  6. Step 6: Final answer
    x = 1,359,330.30

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Double scale
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Similar ratio
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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.