Home / 1,058,777.80-1,587,273.78-459,287.35

Finding the Fourth Proportional to 1,058,777.80, 1,587,273.78 and 459,287.35

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Solution

The fourth proportional to 1,058,777.80, 1,587,273.78 and 459,287.35 is: 688,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,777.80 : 1,587,273.78 = 459,287.35 : x
  2. Step 2: Convert to fraction form
    1,058,777.80/1,587,273.78 = 459,287.35/x
  3. Step 3: Cross multiply
    1,058,777.80x = 1,587,273.78 × 459,287.35
  4. Step 4: Simplify right side
    1,058,777.80x = 729,014,765,894.83
  5. Step 5: Solve for x
    x = 729,014,765,894.83/1,058,777.80
  6. Step 6: Final answer
    x = 688,543.68

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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.