Home / 1,144,142.78-1,716,491.61-345,376.59

Finding the Fourth Proportional to 1,144,142.78, 1,716,491.61 and 345,376.59

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Solution

The fourth proportional to 1,144,142.78, 1,716,491.61 and 345,376.59 is: 518,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,142.78 : 1,716,491.61 = 345,376.59 : x
  2. Step 2: Convert to fraction form
    1,144,142.78/1,716,491.61 = 345,376.59/x
  3. Step 3: Cross multiply
    1,144,142.78x = 1,716,491.61 × 345,376.59
  4. Step 4: Simplify right side
    1,144,142.78x = 592,836,019,025.41
  5. Step 5: Solve for x
    x = 592,836,019,025.41/1,144,142.78
  6. Step 6: Final answer
    x = 518,148.64

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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.