Home / 1,058,371.64-1,587,561.78-259,658.36

Finding the Fourth Proportional to 1,058,371.64, 1,587,561.78 and 259,658.36

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Solution

The fourth proportional to 1,058,371.64, 1,587,561.78 and 259,658.36 is: 389,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,371.64 : 1,587,561.78 = 259,658.36 : x
  2. Step 2: Convert to fraction form
    1,058,371.64/1,587,561.78 = 259,658.36/x
  3. Step 3: Cross multiply
    1,058,371.64x = 1,587,561.78 × 259,658.36
  4. Step 4: Simplify right side
    1,058,371.64x = 412,223,688,193.48
  5. Step 5: Solve for x
    x = 412,223,688,193.48/1,058,371.64
  6. Step 6: Final answer
    x = 389,488.60

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1.5x scale

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.