Home / 1,166,590.20-1,749,885.30-867,991.80

Finding the Fourth Proportional to 1,166,590.20, 1,749,885.30 and 867,991.80

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Solution

The fourth proportional to 1,166,590.20, 1,749,885.30 and 867,991.80 is: 1,301,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,590.20 : 1,749,885.30 = 867,991.80 : x
  2. Step 2: Convert to fraction form
    1,166,590.20/1,749,885.30 = 867,991.80/x
  3. Step 3: Cross multiply
    1,166,590.20x = 1,749,885.30 × 867,991.80
  4. Step 4: Simplify right side
    1,166,590.20x = 1,518,886,091,340.54
  5. Step 5: Solve for x
    x = 1,518,886,091,340.54/1,166,590.20
  6. Step 6: Final answer
    x = 1,301,987.70

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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.