Home / 987,030.70-1,480,546.05-668,166.10

Finding the Fourth Proportional to 987,030.70, 1,480,546.05 and 668,166.10

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Solution

The fourth proportional to 987,030.70, 1,480,546.05 and 668,166.10 is: 1,002,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,030.70 : 1,480,546.05 = 668,166.10 : x
  2. Step 2: Convert to fraction form
    987,030.70/1,480,546.05 = 668,166.10/x
  3. Step 3: Cross multiply
    987,030.70x = 1,480,546.05 × 668,166.10
  4. Step 4: Simplify right side
    987,030.70x = 989,250,680,098.91
  5. Step 5: Solve for x
    x = 989,250,680,098.91/987,030.70
  6. Step 6: Final answer
    x = 1,002,249.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.