Home / 1,124,726.80-1,687,096.60-459,878.80

Finding the Fourth Proportional to 1,124,726.80, 1,687,096.60 and 459,878.80

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Solution

The fourth proportional to 1,124,726.80, 1,687,096.60 and 459,878.80 is: 689,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,726.80 : 1,687,096.60 = 459,878.80 : x
  2. Step 2: Convert to fraction form
    1,124,726.80/1,687,096.60 = 459,878.80/x
  3. Step 3: Cross multiply
    1,124,726.80x = 1,687,096.60 × 459,878.80
  4. Step 4: Simplify right side
    1,124,726.80x = 775,859,959,892.08
  5. Step 5: Solve for x
    x = 775,859,959,892.08/1,124,726.80
  6. Step 6: Final answer
    x = 689,820.82

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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.