Home / 1,366,235.20-2,049,352.80-1,326,869.20

Finding the Fourth Proportional to 1,366,235.20, 2,049,352.80 and 1,326,869.20

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Solution

The fourth proportional to 1,366,235.20, 2,049,352.80 and 1,326,869.20 is: 1,990,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,235.20 : 2,049,352.80 = 1,326,869.20 : x
  2. Step 2: Convert to fraction form
    1,366,235.20/2,049,352.80 = 1,326,869.20/x
  3. Step 3: Cross multiply
    1,366,235.20x = 2,049,352.80 × 1,326,869.20
  4. Step 4: Simplify right side
    1,366,235.20x = 2,719,223,110,253.76
  5. Step 5: Solve for x
    x = 2,719,223,110,253.76/1,366,235.20
  6. Step 6: Final answer
    x = 1,990,303.80

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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.