Home / 1,126,871.40-1,690,307.10-706,967.40

Finding the Fourth Proportional to 1,126,871.40, 1,690,307.10 and 706,967.40

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Solution

The fourth proportional to 1,126,871.40, 1,690,307.10 and 706,967.40 is: 1,060,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,871.40 : 1,690,307.10 = 706,967.40 : x
  2. Step 2: Convert to fraction form
    1,126,871.40/1,690,307.10 = 706,967.40/x
  3. Step 3: Cross multiply
    1,126,871.40x = 1,690,307.10 × 706,967.40
  4. Step 4: Simplify right side
    1,126,871.40x = 1,194,992,015,688.54
  5. Step 5: Solve for x
    x = 1,194,992,015,688.54/1,126,871.40
  6. Step 6: Final answer
    x = 1,060,451.10

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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.