Home / 1,539,489.40-2,309,234.10-699,681.40

Finding the Fourth Proportional to 1,539,489.40, 2,309,234.10 and 699,681.40

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Solution

The fourth proportional to 1,539,489.40, 2,309,234.10 and 699,681.40 is: 1,049,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,489.40 : 2,309,234.10 = 699,681.40 : x
  2. Step 2: Convert to fraction form
    1,539,489.40/2,309,234.10 = 699,681.40/x
  3. Step 3: Cross multiply
    1,539,489.40x = 2,309,234.10 × 699,681.40
  4. Step 4: Simplify right side
    1,539,489.40x = 1,615,728,148,015.74
  5. Step 5: Solve for x
    x = 1,615,728,148,015.74/1,539,489.40
  6. Step 6: Final answer
    x = 1,049,522.10

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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.