Home / 1,488,811.80-2,233,217.70-858,955.80

Finding the Fourth Proportional to 1,488,811.80, 2,233,217.70 and 858,955.80

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Solution

The fourth proportional to 1,488,811.80, 2,233,217.70 and 858,955.80 is: 1,288,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,811.80 : 2,233,217.70 = 858,955.80 : x
  2. Step 2: Convert to fraction form
    1,488,811.80/2,233,217.70 = 858,955.80/x
  3. Step 3: Cross multiply
    1,488,811.80x = 2,233,217.70 × 858,955.80
  4. Step 4: Simplify right side
    1,488,811.80x = 1,918,235,296,077.66
  5. Step 5: Solve for x
    x = 1,918,235,296,077.66/1,488,811.80
  6. Step 6: Final answer
    x = 1,288,433.70

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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.