Home / 1,298,806.45-1,948,422.92-400,248.34

Finding the Fourth Proportional to 1,298,806.45, 1,948,422.92 and 400,248.34

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Solution

The fourth proportional to 1,298,806.45, 1,948,422.92 and 400,248.34 is: 600,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,806.45 : 1,948,422.92 = 400,248.34 : x
  2. Step 2: Convert to fraction form
    1,298,806.45/1,948,422.92 = 400,248.34/x
  3. Step 3: Cross multiply
    1,298,806.45x = 1,948,422.92 × 400,248.34
  4. Step 4: Simplify right side
    1,298,806.45x = 779,853,039,347.95
  5. Step 5: Solve for x
    x = 779,853,039,347.95/1,298,806.45
  6. Step 6: Final answer
    x = 600,438.22

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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.