Home / 1,300,617.15-1,951,112.66-402,128.94

Finding the Fourth Proportional to 1,300,617.15, 1,951,112.66 and 402,128.94

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Solution

The fourth proportional to 1,300,617.15, 1,951,112.66 and 402,128.94 is: 603,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,617.15 : 1,951,112.66 = 402,128.94 : x
  2. Step 2: Convert to fraction form
    1,300,617.15/1,951,112.66 = 402,128.94/x
  3. Step 3: Cross multiply
    1,300,617.15x = 1,951,112.66 × 402,128.94
  4. Step 4: Simplify right side
    1,300,617.15x = 784,598,863,775.74
  5. Step 5: Solve for x
    x = 784,598,863,775.74/1,300,617.15
  6. Step 6: Final answer
    x = 603,251.21

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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.