Home / 1,386,018.80-2,079,028.20-937,246.40

Finding the Fourth Proportional to 1,386,018.80, 2,079,028.20 and 937,246.40

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Solution

The fourth proportional to 1,386,018.80, 2,079,028.20 and 937,246.40 is: 1,405,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,018.80 : 2,079,028.20 = 937,246.40 : x
  2. Step 2: Convert to fraction form
    1,386,018.80/2,079,028.20 = 937,246.40/x
  3. Step 3: Cross multiply
    1,386,018.80x = 2,079,028.20 × 937,246.40
  4. Step 4: Simplify right side
    1,386,018.80x = 1,948,561,695,948.48
  5. Step 5: Solve for x
    x = 1,948,561,695,948.48/1,386,018.80
  6. Step 6: Final answer
    x = 1,405,869.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.