Home / 1,008,856.76-1,392,231.72-556,163.96

Finding the Fourth Proportional to 1,008,856.76, 1,392,231.72 and 556,163.96

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Solution

The fourth proportional to 1,008,856.76, 1,392,231.72 and 556,163.96 is: 767,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,856.76 : 1,392,231.72 = 556,163.96 : x
  2. Step 2: Convert to fraction form
    1,008,856.76/1,392,231.72 = 556,163.96/x
  3. Step 3: Cross multiply
    1,008,856.76x = 1,392,231.72 × 556,163.96
  4. Step 4: Simplify right side
    1,008,856.76x = 774,309,106,632.81
  5. Step 5: Solve for x
    x = 774,309,106,632.81/1,008,856.76
  6. Step 6: Final answer
    x = 767,511.44

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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.