Home / 1,603,318.80-2,404,978.20-763,510.80

Finding the Fourth Proportional to 1,603,318.80, 2,404,978.20 and 763,510.80

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Solution

The fourth proportional to 1,603,318.80, 2,404,978.20 and 763,510.80 is: 1,145,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,318.80 : 2,404,978.20 = 763,510.80 : x
  2. Step 2: Convert to fraction form
    1,603,318.80/2,404,978.20 = 763,510.80/x
  3. Step 3: Cross multiply
    1,603,318.80x = 2,404,978.20 × 763,510.80
  4. Step 4: Simplify right side
    1,603,318.80x = 1,836,226,829,464.56
  5. Step 5: Solve for x
    x = 1,836,226,829,464.56/1,603,318.80
  6. Step 6: Final answer
    x = 1,145,266.20

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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.