Home / 982,874.58-1,356,785.40-660,771.51

Finding the Fourth Proportional to 982,874.58, 1,356,785.40 and 660,771.51

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Solution

The fourth proportional to 982,874.58, 1,356,785.40 and 660,771.51 is: 912,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,874.58 : 1,356,785.40 = 660,771.51 : x
  2. Step 2: Convert to fraction form
    982,874.58/1,356,785.40 = 660,771.51/x
  3. Step 3: Cross multiply
    982,874.58x = 1,356,785.40 × 660,771.51
  4. Step 4: Simplify right side
    982,874.58x = 896,525,137,503.95
  5. Step 5: Solve for x
    x = 896,525,137,503.95/982,874.58
  6. Step 6: Final answer
    x = 912,146.02

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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.