Home / 918,272.20-1,376,063.70-823,502.20

Finding the Fourth Proportional to 918,272.20, 1,376,063.70 and 823,502.20

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Solution

The fourth proportional to 918,272.20, 1,376,063.70 and 823,502.20 is: 1,234,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,272.20 : 1,376,063.70 = 823,502.20 : x
  2. Step 2: Convert to fraction form
    918,272.20/1,376,063.70 = 823,502.20/x
  3. Step 3: Cross multiply
    918,272.20x = 1,376,063.70 × 823,502.20
  4. Step 4: Simplify right side
    918,272.20x = 1,133,191,484,290.14
  5. Step 5: Solve for x
    x = 1,133,191,484,290.14/918,272.20
  6. Step 6: Final answer
    x = 1,234,047.47

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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.