Home / 1,295,194.20-1,942,848.90-442,253.40

Finding the Fourth Proportional to 1,295,194.20, 1,942,848.90 and 442,253.40

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Solution

The fourth proportional to 1,295,194.20, 1,942,848.90 and 442,253.40 is: 663,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,194.20 : 1,942,848.90 = 442,253.40 : x
  2. Step 2: Convert to fraction form
    1,295,194.20/1,942,848.90 = 442,253.40/x
  3. Step 3: Cross multiply
    1,295,194.20x = 1,942,848.90 × 442,253.40
  4. Step 4: Simplify right side
    1,295,194.20x = 859,231,531,711.26
  5. Step 5: Solve for x
    x = 859,231,531,711.26/1,295,194.20
  6. Step 6: Final answer
    x = 663,399.77

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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.