Home / 1,134,974.40-1,566,254.40-625,676.78

Finding the Fourth Proportional to 1,134,974.40, 1,566,254.40 and 625,676.78

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Solution

The fourth proportional to 1,134,974.40, 1,566,254.40 and 625,676.78 is: 863,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,974.40 : 1,566,254.40 = 625,676.78 : x
  2. Step 2: Convert to fraction form
    1,134,974.40/1,566,254.40 = 625,676.78/x
  3. Step 3: Cross multiply
    1,134,974.40x = 1,566,254.40 × 625,676.78
  4. Step 4: Simplify right side
    1,134,974.40x = 979,969,009,652.83
  5. Step 5: Solve for x
    x = 979,969,009,652.83/1,134,974.40
  6. Step 6: Final answer
    x = 863,428.29

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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.