Home / 1,294,416.20-1,941,624.30-727,545.80

Finding the Fourth Proportional to 1,294,416.20, 1,941,624.30 and 727,545.80

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Solution

The fourth proportional to 1,294,416.20, 1,941,624.30 and 727,545.80 is: 1,091,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,416.20 : 1,941,624.30 = 727,545.80 : x
  2. Step 2: Convert to fraction form
    1,294,416.20/1,941,624.30 = 727,545.80/x
  3. Step 3: Cross multiply
    1,294,416.20x = 1,941,624.30 × 727,545.80
  4. Step 4: Simplify right side
    1,294,416.20x = 1,412,620,604,642.94
  5. Step 5: Solve for x
    x = 1,412,620,604,642.94/1,294,416.20
  6. Step 6: Final answer
    x = 1,091,318.70

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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.