Home / 1,180,726.79-1,629,113.85-664,380

Finding the Fourth Proportional to 1,180,726.79, 1,629,113.85 and 664,380

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Solution

The fourth proportional to 1,180,726.79, 1,629,113.85 and 664,380 is: 916,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,726.79 : 1,629,113.85 = 664,380 : x
  2. Step 2: Convert to fraction form
    1,180,726.79/1,629,113.85 = 664,380/x
  3. Step 3: Cross multiply
    1,180,726.79x = 1,629,113.85 × 664,380
  4. Step 4: Simplify right side
    1,180,726.79x = 1,082,350,659,663.00
  5. Step 5: Solve for x
    x = 1,082,350,659,663.00/1,180,726.79
  6. Step 6: Final answer
    x = 916,681.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.