Home / 1,011,753.20-1,520,254.20-896,279.60

Finding the Fourth Proportional to 1,011,753.20, 1,520,254.20 and 896,279.60

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Solution

The fourth proportional to 1,011,753.20, 1,520,254.20 and 896,279.60 is: 1,346,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,753.20 : 1,520,254.20 = 896,279.60 : x
  2. Step 2: Convert to fraction form
    1,011,753.20/1,520,254.20 = 896,279.60/x
  3. Step 3: Cross multiply
    1,011,753.20x = 1,520,254.20 × 896,279.60
  4. Step 4: Simplify right side
    1,011,753.20x = 1,362,572,826,274.32
  5. Step 5: Solve for x
    x = 1,362,572,826,274.32/1,011,753.20
  6. Step 6: Final answer
    x = 1,346,744.27

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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.