Home / 1,354,399.60-1,868,427.52-810,425.88

Finding the Fourth Proportional to 1,354,399.60, 1,868,427.52 and 810,425.88

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Solution

The fourth proportional to 1,354,399.60, 1,868,427.52 and 810,425.88 is: 1,118,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,399.60 : 1,868,427.52 = 810,425.88 : x
  2. Step 2: Convert to fraction form
    1,354,399.60/1,868,427.52 = 810,425.88/x
  3. Step 3: Cross multiply
    1,354,399.60x = 1,868,427.52 × 810,425.88
  4. Step 4: Simplify right side
    1,354,399.60x = 1,514,222,017,112.22
  5. Step 5: Solve for x
    x = 1,514,222,017,112.22/1,354,399.60
  6. Step 6: Final answer
    x = 1,118,002.41

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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.