Home / 982,061.72-1,356,007.74-766,828.52

Finding the Fourth Proportional to 982,061.72, 1,356,007.74 and 766,828.52

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Solution

The fourth proportional to 982,061.72, 1,356,007.74 and 766,828.52 is: 1,058,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,061.72 : 1,356,007.74 = 766,828.52 : x
  2. Step 2: Convert to fraction form
    982,061.72/1,356,007.74 = 766,828.52/x
  3. Step 3: Cross multiply
    982,061.72x = 1,356,007.74 × 766,828.52
  4. Step 4: Simplify right side
    982,061.72x = 1,039,825,408,372.74
  5. Step 5: Solve for x
    x = 1,039,825,408,372.74/982,061.72
  6. Step 6: Final answer
    x = 1,058,818.80

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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.