Home / 1,490,023.80-2,235,368.87-543,394.52

Finding the Fourth Proportional to 1,490,023.80, 2,235,368.87 and 543,394.52

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Solution

The fourth proportional to 1,490,023.80, 2,235,368.87 and 543,394.52 is: 815,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,023.80 : 2,235,368.87 = 543,394.52 : x
  2. Step 2: Convert to fraction form
    1,490,023.80/2,235,368.87 = 543,394.52/x
  3. Step 3: Cross multiply
    1,490,023.80x = 2,235,368.87 × 543,394.52
  4. Step 4: Simplify right side
    1,490,023.80x = 1,214,687,180,242.78
  5. Step 5: Solve for x
    x = 1,214,687,180,242.78/1,490,023.80
  6. Step 6: Final answer
    x = 815,213.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.