Home / 1,315,454.50-1,815,328.83-711,842.50

Finding the Fourth Proportional to 1,315,454.50, 1,815,328.83 and 711,842.50

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Solution

The fourth proportional to 1,315,454.50, 1,815,328.83 and 711,842.50 is: 982,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,454.50 : 1,815,328.83 = 711,842.50 : x
  2. Step 2: Convert to fraction form
    1,315,454.50/1,815,328.83 = 711,842.50/x
  3. Step 3: Cross multiply
    1,315,454.50x = 1,815,328.83 × 711,842.50
  4. Step 4: Simplify right side
    1,315,454.50x = 1,292,228,212,669.28
  5. Step 5: Solve for x
    x = 1,292,228,212,669.28/1,315,454.50
  6. Step 6: Final answer
    x = 982,343.53

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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.