Home / 1,391,856.23-2,087,272.24-480,806.93

Finding the Fourth Proportional to 1,391,856.23, 2,087,272.24 and 480,806.93

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Solution

The fourth proportional to 1,391,856.23, 2,087,272.24 and 480,806.93 is: 721,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,856.23 : 2,087,272.24 = 480,806.93 : x
  2. Step 2: Convert to fraction form
    1,391,856.23/2,087,272.24 = 480,806.93/x
  3. Step 3: Cross multiply
    1,391,856.23x = 2,087,272.24 × 480,806.93
  4. Step 4: Simplify right side
    1,391,856.23x = 1,003,574,957,788.62
  5. Step 5: Solve for x
    x = 1,003,574,957,788.62/1,391,856.23
  6. Step 6: Final answer
    x = 721,033.49

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Double scale
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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.