Home / 1,315,496.52-1,815,385.14-711,884.52

Finding the Fourth Proportional to 1,315,496.52, 1,815,385.14 and 711,884.52

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Solution

The fourth proportional to 1,315,496.52, 1,815,385.14 and 711,884.52 is: 982,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,496.52 : 1,815,385.14 = 711,884.52 : x
  2. Step 2: Convert to fraction form
    1,315,496.52/1,815,385.14 = 711,884.52/x
  3. Step 3: Cross multiply
    1,315,496.52x = 1,815,385.14 × 711,884.52
  4. Step 4: Simplify right side
    1,315,496.52x = 1,292,344,579,004.03
  5. Step 5: Solve for x
    x = 1,292,344,579,004.03/1,315,496.52
  6. Step 6: Final answer
    x = 982,400.61

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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.