Home / 1,055,812.38-1,583,385.12-345,677.28

Finding the Fourth Proportional to 1,055,812.38, 1,583,385.12 and 345,677.28

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Solution

The fourth proportional to 1,055,812.38, 1,583,385.12 and 345,677.28 is: 518,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,812.38 : 1,583,385.12 = 345,677.28 : x
  2. Step 2: Convert to fraction form
    1,055,812.38/1,583,385.12 = 345,677.28/x
  3. Step 3: Cross multiply
    1,055,812.38x = 1,583,385.12 × 345,677.28
  4. Step 4: Simplify right side
    1,055,812.38x = 547,340,261,474.07
  5. Step 5: Solve for x
    x = 547,340,261,474.07/1,055,812.38
  6. Step 6: Final answer
    x = 518,406.75

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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.