Home / 1,055,791.20-1,583,686.80-257,066.40

Finding the Fourth Proportional to 1,055,791.20, 1,583,686.80 and 257,066.40

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Solution

The fourth proportional to 1,055,791.20, 1,583,686.80 and 257,066.40 is: 385,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,791.20 : 1,583,686.80 = 257,066.40 : x
  2. Step 2: Convert to fraction form
    1,055,791.20/1,583,686.80 = 257,066.40/x
  3. Step 3: Cross multiply
    1,055,791.20x = 1,583,686.80 × 257,066.40
  4. Step 4: Simplify right side
    1,055,791.20x = 407,112,664,403.52
  5. Step 5: Solve for x
    x = 407,112,664,403.52/1,055,791.20
  6. Step 6: Final answer
    x = 385,599.60

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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.