Home / 1,678,437.54-2,517,654.02-779,387.65

Finding the Fourth Proportional to 1,678,437.54, 2,517,654.02 and 779,387.65

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Solution

The fourth proportional to 1,678,437.54, 2,517,654.02 and 779,387.65 is: 1,169,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,437.54 : 2,517,654.02 = 779,387.65 : x
  2. Step 2: Convert to fraction form
    1,678,437.54/2,517,654.02 = 779,387.65/x
  3. Step 3: Cross multiply
    1,678,437.54x = 2,517,654.02 × 779,387.65
  4. Step 4: Simplify right side
    1,678,437.54x = 1,962,228,446,263.91
  5. Step 5: Solve for x
    x = 1,962,228,446,263.91/1,678,437.54
  6. Step 6: Final answer
    x = 1,169,080.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.