Home / 1,555,456.60-2,146,529.62-840,064.60

Finding the Fourth Proportional to 1,555,456.60, 2,146,529.62 and 840,064.60

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Solution

The fourth proportional to 1,555,456.60, 2,146,529.62 and 840,064.60 is: 1,159,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,456.60 : 2,146,529.62 = 840,064.60 : x
  2. Step 2: Convert to fraction form
    1,555,456.60/2,146,529.62 = 840,064.60/x
  3. Step 3: Cross multiply
    1,555,456.60x = 2,146,529.62 × 840,064.60
  4. Step 4: Simplify right side
    1,555,456.60x = 1,803,223,546,613.45
  5. Step 5: Solve for x
    x = 1,803,223,546,613.45/1,555,456.60
  6. Step 6: Final answer
    x = 1,159,288.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.