Home / 1,416,947.72-1,955,348.90-772,380.50

Finding the Fourth Proportional to 1,416,947.72, 1,955,348.90 and 772,380.50

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Solution

The fourth proportional to 1,416,947.72, 1,955,348.90 and 772,380.50 is: 1,065,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,947.72 : 1,955,348.90 = 772,380.50 : x
  2. Step 2: Convert to fraction form
    1,416,947.72/1,955,348.90 = 772,380.50/x
  3. Step 3: Cross multiply
    1,416,947.72x = 1,955,348.90 × 772,380.50
  4. Step 4: Simplify right side
    1,416,947.72x = 1,510,273,361,056.45
  5. Step 5: Solve for x
    x = 1,510,273,361,056.45/1,416,947.72
  6. Step 6: Final answer
    x = 1,065,863.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.