Home / 1,261,579.24-1,740,719.46-724,931.56

Finding the Fourth Proportional to 1,261,579.24, 1,740,719.46 and 724,931.56

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Solution

The fourth proportional to 1,261,579.24, 1,740,719.46 and 724,931.56 is: 1,000,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,579.24 : 1,740,719.46 = 724,931.56 : x
  2. Step 2: Convert to fraction form
    1,261,579.24/1,740,719.46 = 724,931.56/x
  3. Step 3: Cross multiply
    1,261,579.24x = 1,740,719.46 × 724,931.56
  4. Step 4: Simplify right side
    1,261,579.24x = 1,261,902,473,660.16
  5. Step 5: Solve for x
    x = 1,261,902,473,660.16/1,261,579.24
  6. Step 6: Final answer
    x = 1,000,256.21

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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.