Home / 1,072,971.73-1,609,207.89-399,370.26

Finding the Fourth Proportional to 1,072,971.73, 1,609,207.89 and 399,370.26

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Solution

The fourth proportional to 1,072,971.73, 1,609,207.89 and 399,370.26 is: 598,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,971.73 : 1,609,207.89 = 399,370.26 : x
  2. Step 2: Convert to fraction form
    1,072,971.73/1,609,207.89 = 399,370.26/x
  3. Step 3: Cross multiply
    1,072,971.73x = 1,609,207.89 × 399,370.26
  4. Step 4: Simplify right side
    1,072,971.73x = 642,669,773,423.35
  5. Step 5: Solve for x
    x = 642,669,773,423.35/1,072,971.73
  6. Step 6: Final answer
    x = 598,962.45

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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.