Home / 1,115,251.60-1,672,877.40-802,656.40

Finding the Fourth Proportional to 1,115,251.60, 1,672,877.40 and 802,656.40

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Solution

The fourth proportional to 1,115,251.60, 1,672,877.40 and 802,656.40 is: 1,203,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,251.60 : 1,672,877.40 = 802,656.40 : x
  2. Step 2: Convert to fraction form
    1,115,251.60/1,672,877.40 = 802,656.40/x
  3. Step 3: Cross multiply
    1,115,251.60x = 1,672,877.40 × 802,656.40
  4. Step 4: Simplify right side
    1,115,251.60x = 1,342,745,751,525.36
  5. Step 5: Solve for x
    x = 1,342,745,751,525.36/1,115,251.60
  6. Step 6: Final answer
    x = 1,203,984.60

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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.