Home / 1,343,023.60-2,012,980.20-543,780.40

Finding the Fourth Proportional to 1,343,023.60, 2,012,980.20 and 543,780.40

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Solution

The fourth proportional to 1,343,023.60, 2,012,980.20 and 543,780.40 is: 815,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,023.60 : 2,012,980.20 = 543,780.40 : x
  2. Step 2: Convert to fraction form
    1,343,023.60/2,012,980.20 = 543,780.40/x
  3. Step 3: Cross multiply
    1,343,023.60x = 2,012,980.20 × 543,780.40
  4. Step 4: Simplify right side
    1,343,023.60x = 1,094,619,178,348.08
  5. Step 5: Solve for x
    x = 1,094,619,178,348.08/1,343,023.60
  6. Step 6: Final answer
    x = 815,040.91

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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.