Home / 1,555,595.10-2,146,722.39-840,203.10

Finding the Fourth Proportional to 1,555,595.10, 2,146,722.39 and 840,203.10

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Solution

The fourth proportional to 1,555,595.10, 2,146,722.39 and 840,203.10 is: 1,159,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,595.10 : 2,146,722.39 = 840,203.10 : x
  2. Step 2: Convert to fraction form
    1,555,595.10/2,146,722.39 = 840,203.10/x
  3. Step 3: Cross multiply
    1,555,595.10x = 2,146,722.39 × 840,203.10
  4. Step 4: Simplify right side
    1,555,595.10x = 1,803,682,806,917.41
  5. Step 5: Solve for x
    x = 1,803,682,806,917.41/1,555,595.10
  6. Step 6: Final answer
    x = 1,159,480.90

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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.