Home / 1,398,148.02-2,097,215.52-438,673.86

Finding the Fourth Proportional to 1,398,148.02, 2,097,215.52 and 438,673.86

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Solution

The fourth proportional to 1,398,148.02, 2,097,215.52 and 438,673.86 is: 658,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,148.02 : 2,097,215.52 = 438,673.86 : x
  2. Step 2: Convert to fraction form
    1,398,148.02/2,097,215.52 = 438,673.86/x
  3. Step 3: Cross multiply
    1,398,148.02x = 2,097,215.52 × 438,673.86
  4. Step 4: Simplify right side
    1,398,148.02x = 919,993,627,410.31
  5. Step 5: Solve for x
    x = 919,993,627,410.31/1,398,148.02
  6. Step 6: Final answer
    x = 658,008.75

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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.