Home / 918,195.90-1,266,747.51-530,940.06

Finding the Fourth Proportional to 918,195.90, 1,266,747.51 and 530,940.06

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Solution

The fourth proportional to 918,195.90, 1,266,747.51 and 530,940.06 is: 732,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,195.90 : 1,266,747.51 = 530,940.06 : x
  2. Step 2: Convert to fraction form
    918,195.90/1,266,747.51 = 530,940.06/x
  3. Step 3: Cross multiply
    918,195.90x = 1,266,747.51 × 530,940.06
  4. Step 4: Simplify right side
    918,195.90x = 672,566,998,964.25
  5. Step 5: Solve for x
    x = 672,566,998,964.25/918,195.90
  6. Step 6: Final answer
    x = 732,487.48

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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.