Home / 970,614.30-1,455,921.45-687,179.10

Finding the Fourth Proportional to 970,614.30, 1,455,921.45 and 687,179.10

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Solution

The fourth proportional to 970,614.30, 1,455,921.45 and 687,179.10 is: 1,030,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,614.30 : 1,455,921.45 = 687,179.10 : x
  2. Step 2: Convert to fraction form
    970,614.30/1,455,921.45 = 687,179.10/x
  3. Step 3: Cross multiply
    970,614.30x = 1,455,921.45 × 687,179.10
  4. Step 4: Simplify right side
    970,614.30x = 1,000,478,791,681.70
  5. Step 5: Solve for x
    x = 1,000,478,791,681.70/970,614.30
  6. Step 6: Final answer
    x = 1,030,768.65

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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.