Home / 1,255,445.70-1,732,507.83-711,684.06

Finding the Fourth Proportional to 1,255,445.70, 1,732,507.83 and 711,684.06

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Solution

The fourth proportional to 1,255,445.70, 1,732,507.83 and 711,684.06 is: 982,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,445.70 : 1,732,507.83 = 711,684.06 : x
  2. Step 2: Convert to fraction form
    1,255,445.70/1,732,507.83 = 711,684.06/x
  3. Step 3: Cross multiply
    1,255,445.70x = 1,732,507.83 × 711,684.06
  4. Step 4: Simplify right side
    1,255,445.70x = 1,232,998,206,436.19
  5. Step 5: Solve for x
    x = 1,232,998,206,436.19/1,255,445.70
  6. Step 6: Final answer
    x = 982,119.90

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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.