Home / 971,990.70-1,457,986.05-615,947.10

Finding the Fourth Proportional to 971,990.70, 1,457,986.05 and 615,947.10

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Solution

The fourth proportional to 971,990.70, 1,457,986.05 and 615,947.10 is: 923,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,990.70 : 1,457,986.05 = 615,947.10 : x
  2. Step 2: Convert to fraction form
    971,990.70/1,457,986.05 = 615,947.10/x
  3. Step 3: Cross multiply
    971,990.70x = 1,457,986.05 × 615,947.10
  4. Step 4: Simplify right side
    971,990.70x = 898,042,279,337.96
  5. Step 5: Solve for x
    x = 898,042,279,337.96/971,990.70
  6. Step 6: Final answer
    x = 923,920.65

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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.