Home / 1,058,409.69-1,587,520.89-384,496.80

Finding the Fourth Proportional to 1,058,409.69, 1,587,520.89 and 384,496.80

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Solution

The fourth proportional to 1,058,409.69, 1,587,520.89 and 384,496.80 is: 576,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,409.69 : 1,587,520.89 = 384,496.80 : x
  2. Step 2: Convert to fraction form
    1,058,409.69/1,587,520.89 = 384,496.80/x
  3. Step 3: Cross multiply
    1,058,409.69x = 1,587,520.89 × 384,496.80
  4. Step 4: Simplify right side
    1,058,409.69x = 610,396,702,138.15
  5. Step 5: Solve for x
    x = 610,396,702,138.15/1,058,409.69
  6. Step 6: Final answer
    x = 576,711.18

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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.