Home / 1,500,496.38-2,070,685.08-821,432.88

Finding the Fourth Proportional to 1,500,496.38, 2,070,685.08 and 821,432.88

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Solution

The fourth proportional to 1,500,496.38, 2,070,685.08 and 821,432.88 is: 1,133,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,496.38 : 2,070,685.08 = 821,432.88 : x
  2. Step 2: Convert to fraction form
    1,500,496.38/2,070,685.08 = 821,432.88/x
  3. Step 3: Cross multiply
    1,500,496.38x = 2,070,685.08 × 821,432.88
  4. Step 4: Simplify right side
    1,500,496.38x = 1,700,928,808,837.43
  5. Step 5: Solve for x
    x = 1,700,928,808,837.43/1,500,496.38
  6. Step 6: Final answer
    x = 1,133,577.42

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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.