Home / 1,545,158.87-2,132,279.91-856,819.76

Finding the Fourth Proportional to 1,545,158.87, 2,132,279.91 and 856,819.76

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Solution

The fourth proportional to 1,545,158.87, 2,132,279.91 and 856,819.76 is: 1,182,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,158.87 : 2,132,279.91 = 856,819.76 : x
  2. Step 2: Convert to fraction form
    1,545,158.87/2,132,279.91 = 856,819.76/x
  3. Step 3: Cross multiply
    1,545,158.87x = 2,132,279.91 × 856,819.76
  4. Step 4: Simplify right side
    1,545,158.87x = 1,826,979,560,739.02
  5. Step 5: Solve for x
    x = 1,826,979,560,739.02/1,545,158.87
  6. Step 6: Final answer
    x = 1,182,389.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.