Home / 1,225,911.77-1,839,281.48-542,704.39

Finding the Fourth Proportional to 1,225,911.77, 1,839,281.48 and 542,704.39

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Solution

The fourth proportional to 1,225,911.77, 1,839,281.48 and 542,704.39 is: 814,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,911.77 : 1,839,281.48 = 542,704.39 : x
  2. Step 2: Convert to fraction form
    1,225,911.77/1,839,281.48 = 542,704.39/x
  3. Step 3: Cross multiply
    1,225,911.77x = 1,839,281.48 × 542,704.39
  4. Step 4: Simplify right side
    1,225,911.77x = 998,186,133,641.70
  5. Step 5: Solve for x
    x = 998,186,133,641.70/1,225,911.77
  6. Step 6: Final answer
    x = 814,239.78

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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.