Home / 1,025,990.88-1,539,151.80-316,018.68

Finding the Fourth Proportional to 1,025,990.88, 1,539,151.80 and 316,018.68

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Solution

The fourth proportional to 1,025,990.88, 1,539,151.80 and 316,018.68 is: 474,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,990.88 : 1,539,151.80 = 316,018.68 : x
  2. Step 2: Convert to fraction form
    1,025,990.88/1,539,151.80 = 316,018.68/x
  3. Step 3: Cross multiply
    1,025,990.88x = 1,539,151.80 × 316,018.68
  4. Step 4: Simplify right side
    1,025,990.88x = 486,400,720,155.62
  5. Step 5: Solve for x
    x = 486,400,720,155.62/1,025,990.88
  6. Step 6: Final answer
    x = 474,078.99

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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.