Home / 1,259,323.24-1,737,902.48-686,400.52

Finding the Fourth Proportional to 1,259,323.24, 1,737,902.48 and 686,400.52

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Solution

The fourth proportional to 1,259,323.24, 1,737,902.48 and 686,400.52 is: 947,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,323.24 : 1,737,902.48 = 686,400.52 : x
  2. Step 2: Convert to fraction form
    1,259,323.24/1,737,902.48 = 686,400.52/x
  3. Step 3: Cross multiply
    1,259,323.24x = 1,737,902.48 × 686,400.52
  4. Step 4: Simplify right side
    1,259,323.24x = 1,192,897,165,981.29
  5. Step 5: Solve for x
    x = 1,192,897,165,981.29/1,259,323.24
  6. Step 6: Final answer
    x = 947,252.56

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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.