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Finding the Fourth Proportional to 971,954.90, 1,456,750.34 and 687,727.36

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Solution

The fourth proportional to 971,954.90, 1,456,750.34 and 687,727.36 is: 1,030,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,954.90 : 1,456,750.34 = 687,727.36 : x
  2. Step 2: Convert to fraction form
    971,954.90/1,456,750.34 = 687,727.36/x
  3. Step 3: Cross multiply
    971,954.90x = 1,456,750.34 × 687,727.36
  4. Step 4: Simplify right side
    971,954.90x = 1,001,847,065,507.30
  5. Step 5: Solve for x
    x = 1,001,847,065,507.30/971,954.90
  6. Step 6: Final answer
    x = 1,030,754.68

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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.