Home / 1,055,480.80-1,582,621.21-415,437.58

Finding the Fourth Proportional to 1,055,480.80, 1,582,621.21 and 415,437.58

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Solution

The fourth proportional to 1,055,480.80, 1,582,621.21 and 415,437.58 is: 622,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,480.80 : 1,582,621.21 = 415,437.58 : x
  2. Step 2: Convert to fraction form
    1,055,480.80/1,582,621.21 = 415,437.58/x
  3. Step 3: Cross multiply
    1,055,480.80x = 1,582,621.21 × 415,437.58
  4. Step 4: Simplify right side
    1,055,480.80x = 657,480,331,319.35
  5. Step 5: Solve for x
    x = 657,480,331,319.35/1,055,480.80
  6. Step 6: Final answer
    x = 622,920.22

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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.