Home / 997,988.51-1,376,789.60-610,821.16

Finding the Fourth Proportional to 997,988.51, 1,376,789.60 and 610,821.16

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Solution

The fourth proportional to 997,988.51, 1,376,789.60 and 610,821.16 is: 842,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,988.51 : 1,376,789.60 = 610,821.16 : x
  2. Step 2: Convert to fraction form
    997,988.51/1,376,789.60 = 610,821.16/x
  3. Step 3: Cross multiply
    997,988.51x = 1,376,789.60 × 610,821.16
  4. Step 4: Simplify right side
    997,988.51x = 840,972,218,633.02
  5. Step 5: Solve for x
    x = 840,972,218,633.02/997,988.51
  6. Step 6: Final answer
    x = 842,667.24

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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.