Home / 1,028,635.02-1,542,519.72-388,831.14

Finding the Fourth Proportional to 1,028,635.02, 1,542,519.72 and 388,831.14

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Solution

The fourth proportional to 1,028,635.02, 1,542,519.72 and 388,831.14 is: 583,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,635.02 : 1,542,519.72 = 388,831.14 : x
  2. Step 2: Convert to fraction form
    1,028,635.02/1,542,519.72 = 388,831.14/x
  3. Step 3: Cross multiply
    1,028,635.02x = 1,542,519.72 × 388,831.14
  4. Step 4: Simplify right side
    1,028,635.02x = 599,779,701,200.08
  5. Step 5: Solve for x
    x = 599,779,701,200.08/1,028,635.02
  6. Step 6: Final answer
    x = 583,083.10

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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.