Home / 1,325,765.20-1,829,568.50-752,817.40

Finding the Fourth Proportional to 1,325,765.20, 1,829,568.50 and 752,817.40

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Solution

The fourth proportional to 1,325,765.20, 1,829,568.50 and 752,817.40 is: 1,038,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,765.20 : 1,829,568.50 = 752,817.40 : x
  2. Step 2: Convert to fraction form
    1,325,765.20/1,829,568.50 = 752,817.40/x
  3. Step 3: Cross multiply
    1,325,765.20x = 1,829,568.50 × 752,817.40
  4. Step 4: Simplify right side
    1,325,765.20x = 1,377,331,001,291.90
  5. Step 5: Solve for x
    x = 1,377,331,001,291.90/1,325,765.20
  6. Step 6: Final answer
    x = 1,038,895.12

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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.