Home / 1,499,712.82-2,069,598.08-811,382.47

Finding the Fourth Proportional to 1,499,712.82, 2,069,598.08 and 811,382.47

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Solution

The fourth proportional to 1,499,712.82, 2,069,598.08 and 811,382.47 is: 1,119,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,712.82 : 2,069,598.08 = 811,382.47 : x
  2. Step 2: Convert to fraction form
    1,499,712.82/2,069,598.08 = 811,382.47/x
  3. Step 3: Cross multiply
    1,499,712.82x = 2,069,598.08 × 811,382.47
  4. Step 4: Simplify right side
    1,499,712.82x = 1,679,235,591,709.67
  5. Step 5: Solve for x
    x = 1,679,235,591,709.67/1,499,712.82
  6. Step 6: Final answer
    x = 1,119,704.77

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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.