Home / 1,491,001.80-2,057,606.02-811,937.80

Finding the Fourth Proportional to 1,491,001.80, 2,057,606.02 and 811,937.80

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Solution

The fourth proportional to 1,491,001.80, 2,057,606.02 and 811,937.80 is: 1,120,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,001.80 : 2,057,606.02 = 811,937.80 : x
  2. Step 2: Convert to fraction form
    1,491,001.80/2,057,606.02 = 811,937.80/x
  3. Step 3: Cross multiply
    1,491,001.80x = 2,057,606.02 × 811,937.80
  4. Step 4: Simplify right side
    1,491,001.80x = 1,670,648,105,145.56
  5. Step 5: Solve for x
    x = 1,670,648,105,145.56/1,491,001.80
  6. Step 6: Final answer
    x = 1,120,486.98

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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.