Home / 1,259,362.32-1,737,921.32-686,402.96

Finding the Fourth Proportional to 1,259,362.32, 1,737,921.32 and 686,402.96

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Solution

The fourth proportional to 1,259,362.32, 1,737,921.32 and 686,402.96 is: 947,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,362.32 : 1,737,921.32 = 686,402.96 : x
  2. Step 2: Convert to fraction form
    1,259,362.32/1,737,921.32 = 686,402.96/x
  3. Step 3: Cross multiply
    1,259,362.32x = 1,737,921.32 × 686,402.96
  4. Step 4: Simplify right side
    1,259,362.32x = 1,192,914,338,295.11
  5. Step 5: Solve for x
    x = 1,192,914,338,295.11/1,259,362.32
  6. Step 6: Final answer
    x = 947,236.80

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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.