Home / 1,152,264.80-1,728,397.20-797,679.20

Finding the Fourth Proportional to 1,152,264.80, 1,728,397.20 and 797,679.20

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Solution

The fourth proportional to 1,152,264.80, 1,728,397.20 and 797,679.20 is: 1,196,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,264.80 : 1,728,397.20 = 797,679.20 : x
  2. Step 2: Convert to fraction form
    1,152,264.80/1,728,397.20 = 797,679.20/x
  3. Step 3: Cross multiply
    1,152,264.80x = 1,728,397.20 × 797,679.20
  4. Step 4: Simplify right side
    1,152,264.80x = 1,378,706,495,778.24
  5. Step 5: Solve for x
    x = 1,378,706,495,778.24/1,152,264.80
  6. Step 6: Final answer
    x = 1,196,518.80

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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.