Home / 1,058,536.12-1,587,805.44-290,040.39

Finding the Fourth Proportional to 1,058,536.12, 1,587,805.44 and 290,040.39

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Solution

The fourth proportional to 1,058,536.12, 1,587,805.44 and 290,040.39 is: 435,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,536.12 : 1,587,805.44 = 290,040.39 : x
  2. Step 2: Convert to fraction form
    1,058,536.12/1,587,805.44 = 290,040.39/x
  3. Step 3: Cross multiply
    1,058,536.12x = 1,587,805.44 × 290,040.39
  4. Step 4: Simplify right side
    1,058,536.12x = 460,527,709,061.72
  5. Step 5: Solve for x
    x = 460,527,709,061.72/1,058,536.12
  6. Step 6: Final answer
    x = 435,060.93

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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.