Home / 1,011,789.53-1,517,648.10-253,637.22

Finding the Fourth Proportional to 1,011,789.53, 1,517,648.10 and 253,637.22

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Solution

The fourth proportional to 1,011,789.53, 1,517,648.10 and 253,637.22 is: 380,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,789.53 : 1,517,648.10 = 253,637.22 : x
  2. Step 2: Convert to fraction form
    1,011,789.53/1,517,648.10 = 253,637.22/x
  3. Step 3: Cross multiply
    1,011,789.53x = 1,517,648.10 × 253,637.22
  4. Step 4: Simplify right side
    1,011,789.53x = 384,932,049,762.32
  5. Step 5: Solve for x
    x = 384,932,049,762.32/1,011,789.53
  6. Step 6: Final answer
    x = 380,446.76

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Double scale
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1.5x scale

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.