Home / 1,239,718.60-1,710,754.08-688,469.30

Finding the Fourth Proportional to 1,239,718.60, 1,710,754.08 and 688,469.30

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Solution

The fourth proportional to 1,239,718.60, 1,710,754.08 and 688,469.30 is: 950,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,718.60 : 1,710,754.08 = 688,469.30 : x
  2. Step 2: Convert to fraction form
    1,239,718.60/1,710,754.08 = 688,469.30/x
  3. Step 3: Cross multiply
    1,239,718.60x = 1,710,754.08 × 688,469.30
  4. Step 4: Simplify right side
    1,239,718.60x = 1,177,801,673,673.30
  5. Step 5: Solve for x
    x = 1,177,801,673,673.30/1,239,718.60
  6. Step 6: Final answer
    x = 950,055.66

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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.