Home / 1,275,602.40-1,910,779.20-876,693.60

Finding the Fourth Proportional to 1,275,602.40, 1,910,779.20 and 876,693.60

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Solution

The fourth proportional to 1,275,602.40, 1,910,779.20 and 876,693.60 is: 1,313,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,602.40 : 1,910,779.20 = 876,693.60 : x
  2. Step 2: Convert to fraction form
    1,275,602.40/1,910,779.20 = 876,693.60/x
  3. Step 3: Cross multiply
    1,275,602.40x = 1,910,779.20 × 876,693.60
  4. Step 4: Simplify right side
    1,275,602.40x = 1,675,167,895,653.12
  5. Step 5: Solve for x
    x = 1,675,167,895,653.12/1,275,602.40
  6. Step 6: Final answer
    x = 1,313,236.71

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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.