Home / 762,905.40-1,144,649.70-750,949.80

Finding the Fourth Proportional to 762,905.40, 1,144,649.70 and 750,949.80

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Solution

The fourth proportional to 762,905.40, 1,144,649.70 and 750,949.80 is: 1,126,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,905.40 : 1,144,649.70 = 750,949.80 : x
  2. Step 2: Convert to fraction form
    762,905.40/1,144,649.70 = 750,949.80/x
  3. Step 3: Cross multiply
    762,905.40x = 1,144,649.70 × 750,949.80
  4. Step 4: Simplify right side
    762,905.40x = 859,574,463,285.06
  5. Step 5: Solve for x
    x = 859,574,463,285.06/762,905.40
  6. Step 6: Final answer
    x = 1,126,711.73

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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.