Home / 1,542,764.80-2,314,147.20-644,199.40

Finding the Fourth Proportional to 1,542,764.80, 2,314,147.20 and 644,199.40

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Solution

The fourth proportional to 1,542,764.80, 2,314,147.20 and 644,199.40 is: 966,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,764.80 : 2,314,147.20 = 644,199.40 : x
  2. Step 2: Convert to fraction form
    1,542,764.80/2,314,147.20 = 644,199.40/x
  3. Step 3: Cross multiply
    1,542,764.80x = 2,314,147.20 × 644,199.40
  4. Step 4: Simplify right side
    1,542,764.80x = 1,490,772,237,751.68
  5. Step 5: Solve for x
    x = 1,490,772,237,751.68/1,542,764.80
  6. Step 6: Final answer
    x = 966,299.10

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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.