Home / 1,490,025.13-2,235,370.86-543,395.85

Finding the Fourth Proportional to 1,490,025.13, 2,235,370.86 and 543,395.85

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Solution

The fourth proportional to 1,490,025.13, 2,235,370.86 and 543,395.85 is: 815,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,025.13 : 2,235,370.86 = 543,395.85 : x
  2. Step 2: Convert to fraction form
    1,490,025.13/2,235,370.86 = 543,395.85/x
  3. Step 3: Cross multiply
    1,490,025.13x = 2,235,370.86 × 543,395.85
  4. Step 4: Simplify right side
    1,490,025.13x = 1,214,691,248,534.93
  5. Step 5: Solve for x
    x = 1,214,691,248,534.93/1,490,025.13
  6. Step 6: Final answer
    x = 815,215.28

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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.