Home / 1,091,989.60-1,637,984.40-992,262.40

Finding the Fourth Proportional to 1,091,989.60, 1,637,984.40 and 992,262.40

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Solution

The fourth proportional to 1,091,989.60, 1,637,984.40 and 992,262.40 is: 1,488,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,989.60 : 1,637,984.40 = 992,262.40 : x
  2. Step 2: Convert to fraction form
    1,091,989.60/1,637,984.40 = 992,262.40/x
  3. Step 3: Cross multiply
    1,091,989.60x = 1,637,984.40 × 992,262.40
  4. Step 4: Simplify right side
    1,091,989.60x = 1,625,310,331,906.56
  5. Step 5: Solve for x
    x = 1,625,310,331,906.56/1,091,989.60
  6. Step 6: Final answer
    x = 1,488,393.60

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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.