Home / 1,019,587.11-1,529,281.49-309,621.30

Finding the Fourth Proportional to 1,019,587.11, 1,529,281.49 and 309,621.30

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Solution

The fourth proportional to 1,019,587.11, 1,529,281.49 and 309,621.30 is: 464,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,587.11 : 1,529,281.49 = 309,621.30 : x
  2. Step 2: Convert to fraction form
    1,019,587.11/1,529,281.49 = 309,621.30/x
  3. Step 3: Cross multiply
    1,019,587.11x = 1,529,281.49 × 309,621.30
  4. Step 4: Simplify right side
    1,019,587.11x = 473,498,121,451.63
  5. Step 5: Solve for x
    x = 473,498,121,451.63/1,019,587.11
  6. Step 6: Final answer
    x = 464,401.83

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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.