Home / 1,087,655.70-1,630,835.55-667,233.30

Finding the Fourth Proportional to 1,087,655.70, 1,630,835.55 and 667,233.30

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Solution

The fourth proportional to 1,087,655.70, 1,630,835.55 and 667,233.30 is: 1,000,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,655.70 : 1,630,835.55 = 667,233.30 : x
  2. Step 2: Convert to fraction form
    1,087,655.70/1,630,835.55 = 667,233.30/x
  3. Step 3: Cross multiply
    1,087,655.70x = 1,630,835.55 × 667,233.30
  4. Step 4: Simplify right side
    1,087,655.70x = 1,088,147,785,783.82
  5. Step 5: Solve for x
    x = 1,088,147,785,783.82/1,087,655.70
  6. Step 6: Final answer
    x = 1,000,452.43

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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.