Home / 1,000,493.21-1,500,781.34-290,521.25

Finding the Fourth Proportional to 1,000,493.21, 1,500,781.34 and 290,521.25

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Solution

The fourth proportional to 1,000,493.21, 1,500,781.34 and 290,521.25 is: 435,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,493.21 : 1,500,781.34 = 290,521.25 : x
  2. Step 2: Convert to fraction form
    1,000,493.21/1,500,781.34 = 290,521.25/x
  3. Step 3: Cross multiply
    1,000,493.21x = 1,500,781.34 × 290,521.25
  4. Step 4: Simplify right side
    1,000,493.21x = 436,008,867,121.52
  5. Step 5: Solve for x
    x = 436,008,867,121.52/1,000,493.21
  6. Step 6: Final answer
    x = 435,793.93

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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.