Home / 1,013,960.66-1,399,419.38-578,375.87

Finding the Fourth Proportional to 1,013,960.66, 1,399,419.38 and 578,375.87

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Solution

The fourth proportional to 1,013,960.66, 1,399,419.38 and 578,375.87 is: 798,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,960.66 : 1,399,419.38 = 578,375.87 : x
  2. Step 2: Convert to fraction form
    1,013,960.66/1,399,419.38 = 578,375.87/x
  3. Step 3: Cross multiply
    1,013,960.66x = 1,399,419.38 × 578,375.87
  4. Step 4: Simplify right side
    1,013,960.66x = 809,390,395,851.20
  5. Step 5: Solve for x
    x = 809,390,395,851.20/1,013,960.66
  6. Step 6: Final answer
    x = 798,246.35

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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.