Home / 955,876.80-1,433,815.20-808,420.80

Finding the Fourth Proportional to 955,876.80, 1,433,815.20 and 808,420.80

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Solution

The fourth proportional to 955,876.80, 1,433,815.20 and 808,420.80 is: 1,212,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,876.80 : 1,433,815.20 = 808,420.80 : x
  2. Step 2: Convert to fraction form
    955,876.80/1,433,815.20 = 808,420.80/x
  3. Step 3: Cross multiply
    955,876.80x = 1,433,815.20 × 808,420.80
  4. Step 4: Simplify right side
    955,876.80x = 1,159,126,031,036.16
  5. Step 5: Solve for x
    x = 1,159,126,031,036.16/955,876.80
  6. Step 6: Final answer
    x = 1,212,631.20

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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.