Home / 786,839.40-1,180,259.10-698,265.90

Finding the Fourth Proportional to 786,839.40, 1,180,259.10 and 698,265.90

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Solution

The fourth proportional to 786,839.40, 1,180,259.10 and 698,265.90 is: 1,047,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,839.40 : 1,180,259.10 = 698,265.90 : x
  2. Step 2: Convert to fraction form
    786,839.40/1,180,259.10 = 698,265.90/x
  3. Step 3: Cross multiply
    786,839.40x = 1,180,259.10 × 698,265.90
  4. Step 4: Simplify right side
    786,839.40x = 824,134,682,694.69
  5. Step 5: Solve for x
    x = 824,134,682,694.69/786,839.40
  6. Step 6: Final answer
    x = 1,047,398.85

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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.