Home / 1,130,430.60-1,695,645.90-917,854.20

Finding the Fourth Proportional to 1,130,430.60, 1,695,645.90 and 917,854.20

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Solution

The fourth proportional to 1,130,430.60, 1,695,645.90 and 917,854.20 is: 1,376,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,430.60 : 1,695,645.90 = 917,854.20 : x
  2. Step 2: Convert to fraction form
    1,130,430.60/1,695,645.90 = 917,854.20/x
  3. Step 3: Cross multiply
    1,130,430.60x = 1,695,645.90 × 917,854.20
  4. Step 4: Simplify right side
    1,130,430.60x = 1,556,355,711,027.78
  5. Step 5: Solve for x
    x = 1,556,355,711,027.78/1,130,430.60
  6. Step 6: Final answer
    x = 1,376,781.30

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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.