Home / 1,500,082.31-2,070,119.04-811,754.10

Finding the Fourth Proportional to 1,500,082.31, 2,070,119.04 and 811,754.10

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Solution

The fourth proportional to 1,500,082.31, 2,070,119.04 and 811,754.10 is: 1,120,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,082.31 : 2,070,119.04 = 811,754.10 : x
  2. Step 2: Convert to fraction form
    1,500,082.31/2,070,119.04 = 811,754.10/x
  3. Step 3: Cross multiply
    1,500,082.31x = 2,070,119.04 × 811,754.10
  4. Step 4: Simplify right side
    1,500,082.31x = 1,680,427,621,252.14
  5. Step 5: Solve for x
    x = 1,680,427,621,252.14/1,500,082.31
  6. Step 6: Final answer
    x = 1,120,223.61

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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.