Home / 1,006,099.72-1,388,416.59-576,381.55

Finding the Fourth Proportional to 1,006,099.72, 1,388,416.59 and 576,381.55

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Solution

The fourth proportional to 1,006,099.72, 1,388,416.59 and 576,381.55 is: 795,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,099.72 : 1,388,416.59 = 576,381.55 : x
  2. Step 2: Convert to fraction form
    1,006,099.72/1,388,416.59 = 576,381.55/x
  3. Step 3: Cross multiply
    1,006,099.72x = 1,388,416.59 × 576,381.55
  4. Step 4: Simplify right side
    1,006,099.72x = 800,257,706,189.92
  5. Step 5: Solve for x
    x = 800,257,706,189.92/1,006,099.72
  6. Step 6: Final answer
    x = 795,405.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.