Home / 1,235,945.60-1,855,300.80-1,154,729.60

Finding the Fourth Proportional to 1,235,945.60, 1,855,300.80 and 1,154,729.60

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Solution

The fourth proportional to 1,235,945.60, 1,855,300.80 and 1,154,729.60 is: 1,733,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,945.60 : 1,855,300.80 = 1,154,729.60 : x
  2. Step 2: Convert to fraction form
    1,235,945.60/1,855,300.80 = 1,154,729.60/x
  3. Step 3: Cross multiply
    1,235,945.60x = 1,855,300.80 × 1,154,729.60
  4. Step 4: Simplify right side
    1,235,945.60x = 2,142,370,750,663.68
  5. Step 5: Solve for x
    x = 2,142,370,750,663.68/1,235,945.60
  6. Step 6: Final answer
    x = 1,733,385.96

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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.