Home / 1,258,867.47-1,737,215.24-685,912.35

Finding the Fourth Proportional to 1,258,867.47, 1,737,215.24 and 685,912.35

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Solution

The fourth proportional to 1,258,867.47, 1,737,215.24 and 685,912.35 is: 946,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,867.47 : 1,737,215.24 = 685,912.35 : x
  2. Step 2: Convert to fraction form
    1,258,867.47/1,737,215.24 = 685,912.35/x
  3. Step 3: Cross multiply
    1,258,867.47x = 1,737,215.24 × 685,912.35
  4. Step 4: Simplify right side
    1,258,867.47x = 1,191,577,384,294.65
  5. Step 5: Solve for x
    x = 1,191,577,384,294.65/1,258,867.47
  6. Step 6: Final answer
    x = 946,547.12

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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.