Home / 1,074,355.76-1,611,717.24-442,924.40

Finding the Fourth Proportional to 1,074,355.76, 1,611,717.24 and 442,924.40

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Solution

The fourth proportional to 1,074,355.76, 1,611,717.24 and 442,924.40 is: 664,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,355.76 : 1,611,717.24 = 442,924.40 : x
  2. Step 2: Convert to fraction form
    1,074,355.76/1,611,717.24 = 442,924.40/x
  3. Step 3: Cross multiply
    1,074,355.76x = 1,611,717.24 × 442,924.40
  4. Step 4: Simplify right side
    1,074,355.76x = 713,868,891,496.66
  5. Step 5: Solve for x
    x = 713,868,891,496.66/1,074,355.76
  6. Step 6: Final answer
    x = 664,462.29

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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.