Home / 1,274,008.80-1,911,013.20-515,848.80

Finding the Fourth Proportional to 1,274,008.80, 1,911,013.20 and 515,848.80

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Solution

The fourth proportional to 1,274,008.80, 1,911,013.20 and 515,848.80 is: 773,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,008.80 : 1,911,013.20 = 515,848.80 : x
  2. Step 2: Convert to fraction form
    1,274,008.80/1,911,013.20 = 515,848.80/x
  3. Step 3: Cross multiply
    1,274,008.80x = 1,911,013.20 × 515,848.80
  4. Step 4: Simplify right side
    1,274,008.80x = 985,793,866,004.16
  5. Step 5: Solve for x
    x = 985,793,866,004.16/1,274,008.80
  6. Step 6: Final answer
    x = 773,773.20

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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.