Home / 1,239,747.73-1,859,403.80-340,972.74

Finding the Fourth Proportional to 1,239,747.73, 1,859,403.80 and 340,972.74

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Solution

The fourth proportional to 1,239,747.73, 1,859,403.80 and 340,972.74 is: 511,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,747.73 : 1,859,403.80 = 340,972.74 : x
  2. Step 2: Convert to fraction form
    1,239,747.73/1,859,403.80 = 340,972.74/x
  3. Step 3: Cross multiply
    1,239,747.73x = 1,859,403.80 × 340,972.74
  4. Step 4: Simplify right side
    1,239,747.73x = 634,006,009,304.84
  5. Step 5: Solve for x
    x = 634,006,009,304.84/1,239,747.73
  6. Step 6: Final answer
    x = 511,399.21

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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.