Home / 1,312,825.52-1,811,673.96-739,854.20

Finding the Fourth Proportional to 1,312,825.52, 1,811,673.96 and 739,854.20

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Solution

The fourth proportional to 1,312,825.52, 1,811,673.96 and 739,854.20 is: 1,020,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,825.52 : 1,811,673.96 = 739,854.20 : x
  2. Step 2: Convert to fraction form
    1,312,825.52/1,811,673.96 = 739,854.20/x
  3. Step 3: Cross multiply
    1,312,825.52x = 1,811,673.96 × 739,854.20
  4. Step 4: Simplify right side
    1,312,825.52x = 1,340,374,588,336.63
  5. Step 5: Solve for x
    x = 1,340,374,588,336.63/1,312,825.52
  6. Step 6: Final answer
    x = 1,020,984.56

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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.