Home / 1,258,864.80-1,889,084.52-510,910.80

Finding the Fourth Proportional to 1,258,864.80, 1,889,084.52 and 510,910.80

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Solution

The fourth proportional to 1,258,864.80, 1,889,084.52 and 510,910.80 is: 766,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,864.80 : 1,889,084.52 = 510,910.80 : x
  2. Step 2: Convert to fraction form
    1,258,864.80/1,889,084.52 = 510,910.80/x
  3. Step 3: Cross multiply
    1,258,864.80x = 1,889,084.52 × 510,910.80
  4. Step 4: Simplify right side
    1,258,864.80x = 965,153,683,380.82
  5. Step 5: Solve for x
    x = 965,153,683,380.82/1,258,864.80
  6. Step 6: Final answer
    x = 766,685.73

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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.