Home / 1,058,945.72-1,587,524.68-459,455

Finding the Fourth Proportional to 1,058,945.72, 1,587,524.68 and 459,455

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Solution

The fourth proportional to 1,058,945.72, 1,587,524.68 and 459,455 is: 688,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,945.72 : 1,587,524.68 = 459,455 : x
  2. Step 2: Convert to fraction form
    1,058,945.72/1,587,524.68 = 459,455/x
  3. Step 3: Cross multiply
    1,058,945.72x = 1,587,524.68 × 459,455
  4. Step 4: Simplify right side
    1,058,945.72x = 729,396,151,849.40
  5. Step 5: Solve for x
    x = 729,396,151,849.40/1,058,945.72
  6. Step 6: Final answer
    x = 688,794.65

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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.