Home / 1,260,718.38-1,739,657.21-709,424.46

Finding the Fourth Proportional to 1,260,718.38, 1,739,657.21 and 709,424.46

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Solution

The fourth proportional to 1,260,718.38, 1,739,657.21 and 709,424.46 is: 978,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,718.38 : 1,739,657.21 = 709,424.46 : x
  2. Step 2: Convert to fraction form
    1,260,718.38/1,739,657.21 = 709,424.46/x
  3. Step 3: Cross multiply
    1,260,718.38x = 1,739,657.21 × 709,424.46
  4. Step 4: Simplify right side
    1,260,718.38x = 1,234,155,376,789.36
  5. Step 5: Solve for x
    x = 1,234,155,376,789.36/1,260,718.38
  6. Step 6: Final answer
    x = 978,930.26

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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.