Home / 1,108,044.60-1,662,066.90-919,087.80

Finding the Fourth Proportional to 1,108,044.60, 1,662,066.90 and 919,087.80

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Solution

The fourth proportional to 1,108,044.60, 1,662,066.90 and 919,087.80 is: 1,378,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,044.60 : 1,662,066.90 = 919,087.80 : x
  2. Step 2: Convert to fraction form
    1,108,044.60/1,662,066.90 = 919,087.80/x
  3. Step 3: Cross multiply
    1,108,044.60x = 1,662,066.90 × 919,087.80
  4. Step 4: Simplify right side
    1,108,044.60x = 1,527,585,410,573.82
  5. Step 5: Solve for x
    x = 1,527,585,410,573.82/1,108,044.60
  6. Step 6: Final answer
    x = 1,378,631.70

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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.