Home / 1,238,017.13-1,707,834.86-808,548.65

Finding the Fourth Proportional to 1,238,017.13, 1,707,834.86 and 808,548.65

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Solution

The fourth proportional to 1,238,017.13, 1,707,834.86 and 808,548.65 is: 1,115,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,017.13 : 1,707,834.86 = 808,548.65 : x
  2. Step 2: Convert to fraction form
    1,238,017.13/1,707,834.86 = 808,548.65/x
  3. Step 3: Cross multiply
    1,238,017.13x = 1,707,834.86 × 808,548.65
  4. Step 4: Simplify right side
    1,238,017.13x = 1,380,867,570,702.78
  5. Step 5: Solve for x
    x = 1,380,867,570,702.78/1,238,017.13
  6. Step 6: Final answer
    x = 1,115,386.48

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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.