Home / 1,295,092.40-1,942,638.60-917,178.80

Finding the Fourth Proportional to 1,295,092.40, 1,942,638.60 and 917,178.80

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Solution

The fourth proportional to 1,295,092.40, 1,942,638.60 and 917,178.80 is: 1,375,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,092.40 : 1,942,638.60 = 917,178.80 : x
  2. Step 2: Convert to fraction form
    1,295,092.40/1,942,638.60 = 917,178.80/x
  3. Step 3: Cross multiply
    1,295,092.40x = 1,942,638.60 × 917,178.80
  4. Step 4: Simplify right side
    1,295,092.40x = 1,781,746,939,981.68
  5. Step 5: Solve for x
    x = 1,781,746,939,981.68/1,295,092.40
  6. Step 6: Final answer
    x = 1,375,768.20

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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.