Home / 1,239,740.79-1,859,366.16-340,950.48

Finding the Fourth Proportional to 1,239,740.79, 1,859,366.16 and 340,950.48

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Solution

The fourth proportional to 1,239,740.79, 1,859,366.16 and 340,950.48 is: 511,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,740.79 : 1,859,366.16 = 340,950.48 : x
  2. Step 2: Convert to fraction form
    1,239,740.79/1,859,366.16 = 340,950.48/x
  3. Step 3: Cross multiply
    1,239,740.79x = 1,859,366.16 × 340,950.48
  4. Step 4: Simplify right side
    1,239,740.79x = 633,951,784,747.76
  5. Step 5: Solve for x
    x = 633,951,784,747.76/1,239,740.79
  6. Step 6: Final answer
    x = 511,358.33

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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.