Home / 1,158,854.20-1,738,410.90-360,129.40

Finding the Fourth Proportional to 1,158,854.20, 1,738,410.90 and 360,129.40

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Solution

The fourth proportional to 1,158,854.20, 1,738,410.90 and 360,129.40 is: 540,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,854.20 : 1,738,410.90 = 360,129.40 : x
  2. Step 2: Convert to fraction form
    1,158,854.20/1,738,410.90 = 360,129.40/x
  3. Step 3: Cross multiply
    1,158,854.20x = 1,738,410.90 × 360,129.40
  4. Step 4: Simplify right side
    1,158,854.20x = 626,052,874,370.46
  5. Step 5: Solve for x
    x = 626,052,874,370.46/1,158,854.20
  6. Step 6: Final answer
    x = 540,234.37

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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.