Home / 982,864.34-1,356,771.29-660,761.26

Finding the Fourth Proportional to 982,864.34, 1,356,771.29 and 660,761.26

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Solution

The fourth proportional to 982,864.34, 1,356,771.29 and 660,761.26 is: 912,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,864.34 : 1,356,771.29 = 660,761.26 : x
  2. Step 2: Convert to fraction form
    982,864.34/1,356,771.29 = 660,761.26/x
  3. Step 3: Cross multiply
    982,864.34x = 1,356,771.29 × 660,761.26
  4. Step 4: Simplify right side
    982,864.34x = 896,501,900,416.49
  5. Step 5: Solve for x
    x = 896,501,900,416.49/982,864.34
  6. Step 6: Final answer
    x = 912,131.89

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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.