Home / 1,295,065.20-1,942,655.40-442,124.40

Finding the Fourth Proportional to 1,295,065.20, 1,942,655.40 and 442,124.40

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Solution

The fourth proportional to 1,295,065.20, 1,942,655.40 and 442,124.40 is: 663,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,065.20 : 1,942,655.40 = 442,124.40 : x
  2. Step 2: Convert to fraction form
    1,295,065.20/1,942,655.40 = 442,124.40/x
  3. Step 3: Cross multiply
    1,295,065.20x = 1,942,655.40 × 442,124.40
  4. Step 4: Simplify right side
    1,295,065.20x = 858,895,353,131.76
  5. Step 5: Solve for x
    x = 858,895,353,131.76/1,295,065.20
  6. Step 6: Final answer
    x = 663,206.26

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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.