Home / 945,438.66-1,416,074.40-781,470.90

Finding the Fourth Proportional to 945,438.66, 1,416,074.40 and 781,470.90

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Solution

The fourth proportional to 945,438.66, 1,416,074.40 and 781,470.90 is: 1,170,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,438.66 : 1,416,074.40 = 781,470.90 : x
  2. Step 2: Convert to fraction form
    945,438.66/1,416,074.40 = 781,470.90/x
  3. Step 3: Cross multiply
    945,438.66x = 1,416,074.40 × 781,470.90
  4. Step 4: Simplify right side
    945,438.66x = 1,106,620,935,834.96
  5. Step 5: Solve for x
    x = 1,106,620,935,834.96/945,438.66
  6. Step 6: Final answer
    x = 1,170,484.12

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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.