Home / 1,119,955.68-1,679,940-278,507.52

Finding the Fourth Proportional to 1,119,955.68, 1,679,940 and 278,507.52

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Solution

The fourth proportional to 1,119,955.68, 1,679,940 and 278,507.52 is: 417,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,955.68 : 1,679,940 = 278,507.52 : x
  2. Step 2: Convert to fraction form
    1,119,955.68/1,679,940 = 278,507.52/x
  3. Step 3: Cross multiply
    1,119,955.68x = 1,679,940 × 278,507.52
  4. Step 4: Simplify right side
    1,119,955.68x = 467,875,923,148.80
  5. Step 5: Solve for x
    x = 467,875,923,148.80/1,119,955.68
  6. Step 6: Final answer
    x = 417,762.89

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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.