Home / 1,119,884.94-1,679,833.76-278,436.69

Finding the Fourth Proportional to 1,119,884.94, 1,679,833.76 and 278,436.69

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Solution

The fourth proportional to 1,119,884.94, 1,679,833.76 and 278,436.69 is: 417,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,884.94 : 1,679,833.76 = 278,436.69 : x
  2. Step 2: Convert to fraction form
    1,119,884.94/1,679,833.76 = 278,436.69/x
  3. Step 3: Cross multiply
    1,119,884.94x = 1,679,833.76 × 278,436.69
  4. Step 4: Simplify right side
    1,119,884.94x = 467,727,350,492.47
  5. Step 5: Solve for x
    x = 467,727,350,492.47/1,119,884.94
  6. Step 6: Final answer
    x = 417,656.61

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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.