Home / 1,208,261.46-1,812,455.75-309,710.64

Finding the Fourth Proportional to 1,208,261.46, 1,812,455.75 and 309,710.64

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Solution

The fourth proportional to 1,208,261.46, 1,812,455.75 and 309,710.64 is: 464,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,261.46 : 1,812,455.75 = 309,710.64 : x
  2. Step 2: Convert to fraction form
    1,208,261.46/1,812,455.75 = 309,710.64/x
  3. Step 3: Cross multiply
    1,208,261.46x = 1,812,455.75 × 309,710.64
  4. Step 4: Simplify right side
    1,208,261.46x = 561,336,825,937.98
  5. Step 5: Solve for x
    x = 561,336,825,937.98/1,208,261.46
  6. Step 6: Final answer
    x = 464,582.25

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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.