Home / 1,019,590.46-1,529,388.11-309,623.84

Finding the Fourth Proportional to 1,019,590.46, 1,529,388.11 and 309,623.84

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Solution

The fourth proportional to 1,019,590.46, 1,529,388.11 and 309,623.84 is: 464,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,590.46 : 1,529,388.11 = 309,623.84 : x
  2. Step 2: Convert to fraction form
    1,019,590.46/1,529,388.11 = 309,623.84/x
  3. Step 3: Cross multiply
    1,019,590.46x = 1,529,388.11 × 309,623.84
  4. Step 4: Simplify right side
    1,019,590.46x = 473,535,012,595.66
  5. Step 5: Solve for x
    x = 473,535,012,595.66/1,019,590.46
  6. Step 6: Final answer
    x = 464,436.49

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Double scale
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1.5x scale

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.