Home / 1,100,539.60-1,650,809.40-799,389.70

Finding the Fourth Proportional to 1,100,539.60, 1,650,809.40 and 799,389.70

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Solution

The fourth proportional to 1,100,539.60, 1,650,809.40 and 799,389.70 is: 1,199,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,539.60 : 1,650,809.40 = 799,389.70 : x
  2. Step 2: Convert to fraction form
    1,100,539.60/1,650,809.40 = 799,389.70/x
  3. Step 3: Cross multiply
    1,100,539.60x = 1,650,809.40 × 799,389.70
  4. Step 4: Simplify right side
    1,100,539.60x = 1,319,640,031,023.18
  5. Step 5: Solve for x
    x = 1,319,640,031,023.18/1,100,539.60
  6. Step 6: Final answer
    x = 1,199,084.55

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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.