Home / 1,108,034.60-1,662,051.90-919,077.80

Finding the Fourth Proportional to 1,108,034.60, 1,662,051.90 and 919,077.80

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Solution

The fourth proportional to 1,108,034.60, 1,662,051.90 and 919,077.80 is: 1,378,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,034.60 : 1,662,051.90 = 919,077.80 : x
  2. Step 2: Convert to fraction form
    1,108,034.60/1,662,051.90 = 919,077.80/x
  3. Step 3: Cross multiply
    1,108,034.60x = 1,662,051.90 × 919,077.80
  4. Step 4: Simplify right side
    1,108,034.60x = 1,527,555,003,737.82
  5. Step 5: Solve for x
    x = 1,527,555,003,737.82/1,108,034.60
  6. Step 6: Final answer
    x = 1,378,616.70

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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.