Home / 879,344.10-1,319,016.15-797,987.70

Finding the Fourth Proportional to 879,344.10, 1,319,016.15 and 797,987.70

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Solution

The fourth proportional to 879,344.10, 1,319,016.15 and 797,987.70 is: 1,196,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,344.10 : 1,319,016.15 = 797,987.70 : x
  2. Step 2: Convert to fraction form
    879,344.10/1,319,016.15 = 797,987.70/x
  3. Step 3: Cross multiply
    879,344.10x = 1,319,016.15 × 797,987.70
  4. Step 4: Simplify right side
    879,344.10x = 1,052,558,663,801.35
  5. Step 5: Solve for x
    x = 1,052,558,663,801.35/879,344.10
  6. Step 6: Final answer
    x = 1,196,981.55

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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.