Home / 1,142,261.84-1,713,477.72-343,479.44

Finding the Fourth Proportional to 1,142,261.84, 1,713,477.72 and 343,479.44

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Solution

The fourth proportional to 1,142,261.84, 1,713,477.72 and 343,479.44 is: 515,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,261.84 : 1,713,477.72 = 343,479.44 : x
  2. Step 2: Convert to fraction form
    1,142,261.84/1,713,477.72 = 343,479.44/x
  3. Step 3: Cross multiply
    1,142,261.84x = 1,713,477.72 × 343,479.44
  4. Step 4: Simplify right side
    1,142,261.84x = 588,544,367,718.08
  5. Step 5: Solve for x
    x = 588,544,367,718.08/1,142,261.84
  6. Step 6: Final answer
    x = 515,244.71

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1.5x scale

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.