Home / 1,301,306.40-1,952,279.60-448,391.20

Finding the Fourth Proportional to 1,301,306.40, 1,952,279.60 and 448,391.20

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Solution

The fourth proportional to 1,301,306.40, 1,952,279.60 and 448,391.20 is: 672,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,306.40 : 1,952,279.60 = 448,391.20 : x
  2. Step 2: Convert to fraction form
    1,301,306.40/1,952,279.60 = 448,391.20/x
  3. Step 3: Cross multiply
    1,301,306.40x = 1,952,279.60 × 448,391.20
  4. Step 4: Simplify right side
    1,301,306.40x = 875,384,992,579.52
  5. Step 5: Solve for x
    x = 875,384,992,579.52/1,301,306.40
  6. Step 6: Final answer
    x = 672,697.06

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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.