Home / 1,500,102.41-2,070,146.75-811,774.19

Finding the Fourth Proportional to 1,500,102.41, 2,070,146.75 and 811,774.19

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Solution

The fourth proportional to 1,500,102.41, 2,070,146.75 and 811,774.19 is: 1,120,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,102.41 : 2,070,146.75 = 811,774.19 : x
  2. Step 2: Convert to fraction form
    1,500,102.41/2,070,146.75 = 811,774.19/x
  3. Step 3: Cross multiply
    1,500,102.41x = 2,070,146.75 × 811,774.19
  4. Step 4: Simplify right side
    1,500,102.41x = 1,680,491,686,752.78
  5. Step 5: Solve for x
    x = 1,680,491,686,752.78/1,500,102.41
  6. Step 6: Final answer
    x = 1,120,251.31

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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.