Home / 1,088,143.53-1,632,213.18-289,425.93

Finding the Fourth Proportional to 1,088,143.53, 1,632,213.18 and 289,425.93

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Solution

The fourth proportional to 1,088,143.53, 1,632,213.18 and 289,425.93 is: 434,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,143.53 : 1,632,213.18 = 289,425.93 : x
  2. Step 2: Convert to fraction form
    1,088,143.53/1,632,213.18 = 289,425.93/x
  3. Step 3: Cross multiply
    1,088,143.53x = 1,632,213.18 × 289,425.93
  4. Step 4: Simplify right side
    1,088,143.53x = 472,404,817,579.76
  5. Step 5: Solve for x
    x = 472,404,817,579.76/1,088,143.53
  6. Step 6: Final answer
    x = 434,138.33

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Double scale
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Similar ratio
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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.