Home / 918,318.70-1,376,133.45-823,548.70

Finding the Fourth Proportional to 918,318.70, 1,376,133.45 and 823,548.70

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Solution

The fourth proportional to 918,318.70, 1,376,133.45 and 823,548.70 is: 1,234,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,318.70 : 1,376,133.45 = 823,548.70 : x
  2. Step 2: Convert to fraction form
    918,318.70/1,376,133.45 = 823,548.70/x
  3. Step 3: Cross multiply
    918,318.70x = 1,376,133.45 × 823,548.70
  4. Step 4: Simplify right side
    918,318.70x = 1,133,312,913,774.01
  5. Step 5: Solve for x
    x = 1,133,312,913,774.01/918,318.70
  6. Step 6: Final answer
    x = 1,234,117.21

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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.