Home / 1,008,858.76-1,392,234.48-556,165.96

Finding the Fourth Proportional to 1,008,858.76, 1,392,234.48 and 556,165.96

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Solution

The fourth proportional to 1,008,858.76, 1,392,234.48 and 556,165.96 is: 767,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,858.76 : 1,392,234.48 = 556,165.96 : x
  2. Step 2: Convert to fraction form
    1,008,858.76/1,392,234.48 = 556,165.96/x
  3. Step 3: Cross multiply
    1,008,858.76x = 1,392,234.48 × 556,165.96
  4. Step 4: Simplify right side
    1,008,858.76x = 774,313,426,114.30
  5. Step 5: Solve for x
    x = 774,313,426,114.30/1,008,858.76
  6. Step 6: Final answer
    x = 767,514.20

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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.