Home / 913,230.60-1,369,845.90-907,981.80

Finding the Fourth Proportional to 913,230.60, 1,369,845.90 and 907,981.80

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Solution

The fourth proportional to 913,230.60, 1,369,845.90 and 907,981.80 is: 1,361,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,230.60 : 1,369,845.90 = 907,981.80 : x
  2. Step 2: Convert to fraction form
    913,230.60/1,369,845.90 = 907,981.80/x
  3. Step 3: Cross multiply
    913,230.60x = 1,369,845.90 × 907,981.80
  4. Step 4: Simplify right side
    913,230.60x = 1,243,795,146,004.62
  5. Step 5: Solve for x
    x = 1,243,795,146,004.62/913,230.60
  6. Step 6: Final answer
    x = 1,361,972.70

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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.