Home / 1,521,007.60-2,281,511.40-574,409.20

Finding the Fourth Proportional to 1,521,007.60, 2,281,511.40 and 574,409.20

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Solution

The fourth proportional to 1,521,007.60, 2,281,511.40 and 574,409.20 is: 861,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,007.60 : 2,281,511.40 = 574,409.20 : x
  2. Step 2: Convert to fraction form
    1,521,007.60/2,281,511.40 = 574,409.20/x
  3. Step 3: Cross multiply
    1,521,007.60x = 2,281,511.40 × 574,409.20
  4. Step 4: Simplify right side
    1,521,007.60x = 1,310,521,138,064.88
  5. Step 5: Solve for x
    x = 1,310,521,138,064.88/1,521,007.60
  6. Step 6: Final answer
    x = 861,613.80

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Double scale
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Similar ratio
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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.