Home / 1,100,540.10-1,650,810.15-799,390.20

Finding the Fourth Proportional to 1,100,540.10, 1,650,810.15 and 799,390.20

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Solution

The fourth proportional to 1,100,540.10, 1,650,810.15 and 799,390.20 is: 1,199,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,540.10 : 1,650,810.15 = 799,390.20 : x
  2. Step 2: Convert to fraction form
    1,100,540.10/1,650,810.15 = 799,390.20/x
  3. Step 3: Cross multiply
    1,100,540.10x = 1,650,810.15 × 799,390.20
  4. Step 4: Simplify right side
    1,100,540.10x = 1,319,641,455,970.53
  5. Step 5: Solve for x
    x = 1,319,641,455,970.53/1,100,540.10
  6. Step 6: Final answer
    x = 1,199,085.30

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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.