Home / 1,258,891.42-1,737,270.41-685,931.59

Finding the Fourth Proportional to 1,258,891.42, 1,737,270.41 and 685,931.59

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Solution

The fourth proportional to 1,258,891.42, 1,737,270.41 and 685,931.59 is: 946,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,891.42 : 1,737,270.41 = 685,931.59 : x
  2. Step 2: Convert to fraction form
    1,258,891.42/1,737,270.41 = 685,931.59/x
  3. Step 3: Cross multiply
    1,258,891.42x = 1,737,270.41 × 685,931.59
  4. Step 4: Simplify right side
    1,258,891.42x = 1,191,648,655,262.36
  5. Step 5: Solve for x
    x = 1,191,648,655,262.36/1,258,891.42
  6. Step 6: Final answer
    x = 946,585.73

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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.