Home / 1,451,328.86-2,176,953.20-386,380.14

Finding the Fourth Proportional to 1,451,328.86, 2,176,953.20 and 386,380.14

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Solution

The fourth proportional to 1,451,328.86, 2,176,953.20 and 386,380.14 is: 579,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,328.86 : 2,176,953.20 = 386,380.14 : x
  2. Step 2: Convert to fraction form
    1,451,328.86/2,176,953.20 = 386,380.14/x
  3. Step 3: Cross multiply
    1,451,328.86x = 2,176,953.20 × 386,380.14
  4. Step 4: Simplify right side
    1,451,328.86x = 841,131,482,189.45
  5. Step 5: Solve for x
    x = 841,131,482,189.45/1,451,328.86
  6. Step 6: Final answer
    x = 579,559.54

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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.