Home / 1,298,806.58-1,948,423.10-400,248.47

Finding the Fourth Proportional to 1,298,806.58, 1,948,423.10 and 400,248.47

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Solution

The fourth proportional to 1,298,806.58, 1,948,423.10 and 400,248.47 is: 600,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,806.58 : 1,948,423.10 = 400,248.47 : x
  2. Step 2: Convert to fraction form
    1,298,806.58/1,948,423.10 = 400,248.47/x
  3. Step 3: Cross multiply
    1,298,806.58x = 1,948,423.10 × 400,248.47
  4. Step 4: Simplify right side
    1,298,806.58x = 779,853,352,944.30
  5. Step 5: Solve for x
    x = 779,853,352,944.30/1,298,806.58
  6. Step 6: Final answer
    x = 600,438.41

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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.