Home / 1,258,862.22-1,737,242.61-685,911.96

Finding the Fourth Proportional to 1,258,862.22, 1,737,242.61 and 685,911.96

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Solution

The fourth proportional to 1,258,862.22, 1,737,242.61 and 685,911.96 is: 946,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,862.22 : 1,737,242.61 = 685,911.96 : x
  2. Step 2: Convert to fraction form
    1,258,862.22/1,737,242.61 = 685,911.96/x
  3. Step 3: Cross multiply
    1,258,862.22x = 1,737,242.61 × 685,911.96
  4. Step 4: Simplify right side
    1,258,862.22x = 1,191,595,483,620.62
  5. Step 5: Solve for x
    x = 1,191,595,483,620.62/1,258,862.22
  6. Step 6: Final answer
    x = 946,565.45

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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.