Home / 1,023,121.86-1,534,801.31-340,069.78

Finding the Fourth Proportional to 1,023,121.86, 1,534,801.31 and 340,069.78

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Solution

The fourth proportional to 1,023,121.86, 1,534,801.31 and 340,069.78 is: 510,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,121.86 : 1,534,801.31 = 340,069.78 : x
  2. Step 2: Convert to fraction form
    1,023,121.86/1,534,801.31 = 340,069.78/x
  3. Step 3: Cross multiply
    1,023,121.86x = 1,534,801.31 × 340,069.78
  4. Step 4: Simplify right side
    1,023,121.86x = 521,939,543,835.41
  5. Step 5: Solve for x
    x = 521,939,543,835.41/1,023,121.86
  6. Step 6: Final answer
    x = 510,144.06

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1.5x scale

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.