Home / 1,255,908.78-1,733,199.74-719,468.46

Finding the Fourth Proportional to 1,255,908.78, 1,733,199.74 and 719,468.46

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Solution

The fourth proportional to 1,255,908.78, 1,733,199.74 and 719,468.46 is: 992,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,908.78 : 1,733,199.74 = 719,468.46 : x
  2. Step 2: Convert to fraction form
    1,255,908.78/1,733,199.74 = 719,468.46/x
  3. Step 3: Cross multiply
    1,255,908.78x = 1,733,199.74 × 719,468.46
  4. Step 4: Simplify right side
    1,255,908.78x = 1,246,982,547,810.20
  5. Step 5: Solve for x
    x = 1,246,982,547,810.20/1,255,908.78
  6. Step 6: Final answer
    x = 992,892.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.