Home / 912,166.80-1,368,250.20-576,243.60

Finding the Fourth Proportional to 912,166.80, 1,368,250.20 and 576,243.60

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Solution

The fourth proportional to 912,166.80, 1,368,250.20 and 576,243.60 is: 864,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,166.80 : 1,368,250.20 = 576,243.60 : x
  2. Step 2: Convert to fraction form
    912,166.80/1,368,250.20 = 576,243.60/x
  3. Step 3: Cross multiply
    912,166.80x = 1,368,250.20 × 576,243.60
  4. Step 4: Simplify right side
    912,166.80x = 788,445,420,948.72
  5. Step 5: Solve for x
    x = 788,445,420,948.72/912,166.80
  6. Step 6: Final answer
    x = 864,365.40

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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.