Home / 1,426,492.27-2,139,738.50-361,539.91

Finding the Fourth Proportional to 1,426,492.27, 2,139,738.50 and 361,539.91

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Solution

The fourth proportional to 1,426,492.27, 2,139,738.50 and 361,539.91 is: 542,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,492.27 : 2,139,738.50 = 361,539.91 : x
  2. Step 2: Convert to fraction form
    1,426,492.27/2,139,738.50 = 361,539.91/x
  3. Step 3: Cross multiply
    1,426,492.27x = 2,139,738.50 × 361,539.91
  4. Step 4: Simplify right side
    1,426,492.27x = 773,600,860,268.04
  5. Step 5: Solve for x
    x = 773,600,860,268.04/1,426,492.27
  6. Step 6: Final answer
    x = 542,309.89

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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.