Home / 1,058,133.89-1,587,621.36-338,586.43

Finding the Fourth Proportional to 1,058,133.89, 1,587,621.36 and 338,586.43

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Solution

The fourth proportional to 1,058,133.89, 1,587,621.36 and 338,586.43 is: 508,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,133.89 : 1,587,621.36 = 338,586.43 : x
  2. Step 2: Convert to fraction form
    1,058,133.89/1,587,621.36 = 338,586.43/x
  3. Step 3: Cross multiply
    1,058,133.89x = 1,587,621.36 × 338,586.43
  4. Step 4: Simplify right side
    1,058,133.89x = 537,547,040,536.04
  5. Step 5: Solve for x
    x = 537,547,040,536.04/1,058,133.89
  6. Step 6: Final answer
    x = 508,014.20

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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.