Home / 1,315,572.63-1,815,490.25-711,960.63

Finding the Fourth Proportional to 1,315,572.63, 1,815,490.25 and 711,960.63

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Solution

The fourth proportional to 1,315,572.63, 1,815,490.25 and 711,960.63 is: 982,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,572.63 : 1,815,490.25 = 711,960.63 : x
  2. Step 2: Convert to fraction form
    1,315,572.63/1,815,490.25 = 711,960.63/x
  3. Step 3: Cross multiply
    1,315,572.63x = 1,815,490.25 × 711,960.63
  4. Step 4: Simplify right side
    1,315,572.63x = 1,292,557,586,732.07
  5. Step 5: Solve for x
    x = 1,292,557,586,732.07/1,315,572.63
  6. Step 6: Final answer
    x = 982,505.68

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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.