Home / 2,460,406.40-3,690,609.60-687,478.40

Finding the Fourth Proportional to 2,460,406.40, 3,690,609.60 and 687,478.40

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Solution

The fourth proportional to 2,460,406.40, 3,690,609.60 and 687,478.40 is: 1,031,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460,406.40 : 3,690,609.60 = 687,478.40 : x
  2. Step 2: Convert to fraction form
    2,460,406.40/3,690,609.60 = 687,478.40/x
  3. Step 3: Cross multiply
    2,460,406.40x = 3,690,609.60 × 687,478.40
  4. Step 4: Simplify right side
    2,460,406.40x = 2,537,214,382,832.64
  5. Step 5: Solve for x
    x = 2,537,214,382,832.64/2,460,406.40
  6. Step 6: Final answer
    x = 1,031,217.60

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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.