Home / 1,319,767.20-1,979,456.40-373,233.60

Finding the Fourth Proportional to 1,319,767.20, 1,979,456.40 and 373,233.60

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Solution

The fourth proportional to 1,319,767.20, 1,979,456.40 and 373,233.60 is: 559,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,767.20 : 1,979,456.40 = 373,233.60 : x
  2. Step 2: Convert to fraction form
    1,319,767.20/1,979,456.40 = 373,233.60/x
  3. Step 3: Cross multiply
    1,319,767.20x = 1,979,456.40 × 373,233.60
  4. Step 4: Simplify right side
    1,319,767.20x = 738,799,638,215.04
  5. Step 5: Solve for x
    x = 738,799,638,215.04/1,319,767.20
  6. Step 6: Final answer
    x = 559,795.42

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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.