Home / 1,058,590.80-1,587,883.74-459,474.28

Finding the Fourth Proportional to 1,058,590.80, 1,587,883.74 and 459,474.28

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Solution

The fourth proportional to 1,058,590.80, 1,587,883.74 and 459,474.28 is: 689,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,590.80 : 1,587,883.74 = 459,474.28 : x
  2. Step 2: Convert to fraction form
    1,058,590.80/1,587,883.74 = 459,474.28/x
  3. Step 3: Cross multiply
    1,058,590.80x = 1,587,883.74 × 459,474.28
  4. Step 4: Simplify right side
    1,058,590.80x = 729,591,738,160.21
  5. Step 5: Solve for x
    x = 729,591,738,160.21/1,058,590.80
  6. Step 6: Final answer
    x = 689,210.35

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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.