Home / 1,398,147.02-2,097,214.02-438,672.86

Finding the Fourth Proportional to 1,398,147.02, 2,097,214.02 and 438,672.86

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Solution

The fourth proportional to 1,398,147.02, 2,097,214.02 and 438,672.86 is: 658,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,147.02 : 2,097,214.02 = 438,672.86 : x
  2. Step 2: Convert to fraction form
    1,398,147.02/2,097,214.02 = 438,672.86/x
  3. Step 3: Cross multiply
    1,398,147.02x = 2,097,214.02 × 438,672.86
  4. Step 4: Simplify right side
    1,398,147.02x = 919,990,872,185.50
  5. Step 5: Solve for x
    x = 919,990,872,185.50/1,398,147.02
  6. Step 6: Final answer
    x = 658,007.25

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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.