Home / 874,215.59-1,304,911.80-810,103.95

Finding the Fourth Proportional to 874,215.59, 1,304,911.80 and 810,103.95

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Solution

The fourth proportional to 874,215.59, 1,304,911.80 and 810,103.95 is: 1,209,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,215.59 : 1,304,911.80 = 810,103.95 : x
  2. Step 2: Convert to fraction form
    874,215.59/1,304,911.80 = 810,103.95/x
  3. Step 3: Cross multiply
    874,215.59x = 1,304,911.80 × 810,103.95
  4. Step 4: Simplify right side
    874,215.59x = 1,057,114,203,581.61
  5. Step 5: Solve for x
    x = 1,057,114,203,581.61/874,215.59
  6. Step 6: Final answer
    x = 1,209,214.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.