Home / 1,238,307.40-1,857,720.30-396,944.20

Finding the Fourth Proportional to 1,238,307.40, 1,857,720.30 and 396,944.20

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Solution

The fourth proportional to 1,238,307.40, 1,857,720.30 and 396,944.20 is: 595,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,307.40 : 1,857,720.30 = 396,944.20 : x
  2. Step 2: Convert to fraction form
    1,238,307.40/1,857,720.30 = 396,944.20/x
  3. Step 3: Cross multiply
    1,238,307.40x = 1,857,720.30 × 396,944.20
  4. Step 4: Simplify right side
    1,238,307.40x = 737,411,298,307.26
  5. Step 5: Solve for x
    x = 737,411,298,307.26/1,238,307.40
  6. Step 6: Final answer
    x = 595,499.39

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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.