Home / 1,316,351.60-1,974,527.40-747,512.90

Finding the Fourth Proportional to 1,316,351.60, 1,974,527.40 and 747,512.90

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Solution

The fourth proportional to 1,316,351.60, 1,974,527.40 and 747,512.90 is: 1,121,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,351.60 : 1,974,527.40 = 747,512.90 : x
  2. Step 2: Convert to fraction form
    1,316,351.60/1,974,527.40 = 747,512.90/x
  3. Step 3: Cross multiply
    1,316,351.60x = 1,974,527.40 × 747,512.90
  4. Step 4: Simplify right side
    1,316,351.60x = 1,475,984,702,903.46
  5. Step 5: Solve for x
    x = 1,475,984,702,903.46/1,316,351.60
  6. Step 6: Final answer
    x = 1,121,269.35

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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.