Home / 1,059,259.20-1,591,999.20-922,401.60

Finding the Fourth Proportional to 1,059,259.20, 1,591,999.20 and 922,401.60

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Solution

The fourth proportional to 1,059,259.20, 1,591,999.20 and 922,401.60 is: 1,386,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,259.20 : 1,591,999.20 = 922,401.60 : x
  2. Step 2: Convert to fraction form
    1,059,259.20/1,591,999.20 = 922,401.60/x
  3. Step 3: Cross multiply
    1,059,259.20x = 1,591,999.20 × 922,401.60
  4. Step 4: Simplify right side
    1,059,259.20x = 1,468,462,609,278.72
  5. Step 5: Solve for x
    x = 1,468,462,609,278.72/1,059,259.20
  6. Step 6: Final answer
    x = 1,386,310.93

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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.