Home / 1,678,665.31-2,518,974.96-705,959.71

Finding the Fourth Proportional to 1,678,665.31, 2,518,974.96 and 705,959.71

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Solution

The fourth proportional to 1,678,665.31, 2,518,974.96 and 705,959.71 is: 1,059,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,665.31 : 2,518,974.96 = 705,959.71 : x
  2. Step 2: Convert to fraction form
    1,678,665.31/2,518,974.96 = 705,959.71/x
  3. Step 3: Cross multiply
    1,678,665.31x = 2,518,974.96 × 705,959.71
  4. Step 4: Simplify right side
    1,678,665.31x = 1,778,294,816,134.19
  5. Step 5: Solve for x
    x = 1,778,294,816,134.19/1,678,665.31
  6. Step 6: Final answer
    x = 1,059,350.43

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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.