Home / 1,295,056.20-1,942,641.90-442,115.40

Finding the Fourth Proportional to 1,295,056.20, 1,942,641.90 and 442,115.40

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Solution

The fourth proportional to 1,295,056.20, 1,942,641.90 and 442,115.40 is: 663,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,056.20 : 1,942,641.90 = 442,115.40 : x
  2. Step 2: Convert to fraction form
    1,295,056.20/1,942,641.90 = 442,115.40/x
  3. Step 3: Cross multiply
    1,295,056.20x = 1,942,641.90 × 442,115.40
  4. Step 4: Simplify right side
    1,295,056.20x = 858,871,900,675.26
  5. Step 5: Solve for x
    x = 858,871,900,675.26/1,295,056.20
  6. Step 6: Final answer
    x = 663,192.76

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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.