Home / 1,258,643.80-1,888,621.80-548,743.60

Finding the Fourth Proportional to 1,258,643.80, 1,888,621.80 and 548,743.60

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Solution

The fourth proportional to 1,258,643.80, 1,888,621.80 and 548,743.60 is: 823,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,643.80 : 1,888,621.80 = 548,743.60 : x
  2. Step 2: Convert to fraction form
    1,258,643.80/1,888,621.80 = 548,743.60/x
  3. Step 3: Cross multiply
    1,258,643.80x = 1,888,621.80 × 548,743.60
  4. Step 4: Simplify right side
    1,258,643.80x = 1,036,369,125,570.48
  5. Step 5: Solve for x
    x = 1,036,369,125,570.48/1,258,643.80
  6. Step 6: Final answer
    x = 823,401.45

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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.