Home / 1,087,257.23-1,630,759.12-288,600.83

Finding the Fourth Proportional to 1,087,257.23, 1,630,759.12 and 288,600.83

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Solution

The fourth proportional to 1,087,257.23, 1,630,759.12 and 288,600.83 is: 432,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,257.23 : 1,630,759.12 = 288,600.83 : x
  2. Step 2: Convert to fraction form
    1,087,257.23/1,630,759.12 = 288,600.83/x
  3. Step 3: Cross multiply
    1,087,257.23x = 1,630,759.12 × 288,600.83
  4. Step 4: Simplify right side
    1,087,257.23x = 470,638,435,562.07
  5. Step 5: Solve for x
    x = 470,638,435,562.07/1,087,257.23
  6. Step 6: Final answer
    x = 432,867.61

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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.