Home / 1,268,721.34-1,750,674.13-724,892.36

Finding the Fourth Proportional to 1,268,721.34, 1,750,674.13 and 724,892.36

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Solution

The fourth proportional to 1,268,721.34, 1,750,674.13 and 724,892.36 is: 1,000,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,721.34 : 1,750,674.13 = 724,892.36 : x
  2. Step 2: Convert to fraction form
    1,268,721.34/1,750,674.13 = 724,892.36/x
  3. Step 3: Cross multiply
    1,268,721.34x = 1,750,674.13 × 724,892.36
  4. Step 4: Simplify right side
    1,268,721.34x = 1,269,050,291,121.05
  5. Step 5: Solve for x
    x = 1,269,050,291,121.05/1,268,721.34
  6. Step 6: Final answer
    x = 1,000,259.28

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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.