Home / 1,146,671.70-1,720,007.55-726,422.10

Finding the Fourth Proportional to 1,146,671.70, 1,720,007.55 and 726,422.10

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Solution

The fourth proportional to 1,146,671.70, 1,720,007.55 and 726,422.10 is: 1,089,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,671.70 : 1,720,007.55 = 726,422.10 : x
  2. Step 2: Convert to fraction form
    1,146,671.70/1,720,007.55 = 726,422.10/x
  3. Step 3: Cross multiply
    1,146,671.70x = 1,720,007.55 × 726,422.10
  4. Step 4: Simplify right side
    1,146,671.70x = 1,249,451,496,486.86
  5. Step 5: Solve for x
    x = 1,249,451,496,486.86/1,146,671.70
  6. Step 6: Final answer
    x = 1,089,633.15

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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.