Home / 1,426,849.08-2,140,603.02-480,196.68

Finding the Fourth Proportional to 1,426,849.08, 2,140,603.02 and 480,196.68

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Solution

The fourth proportional to 1,426,849.08, 2,140,603.02 and 480,196.68 is: 720,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,849.08 : 2,140,603.02 = 480,196.68 : x
  2. Step 2: Convert to fraction form
    1,426,849.08/2,140,603.02 = 480,196.68/x
  3. Step 3: Cross multiply
    1,426,849.08x = 2,140,603.02 × 480,196.68
  4. Step 4: Simplify right side
    1,426,849.08x = 1,027,910,463,401.97
  5. Step 5: Solve for x
    x = 1,027,910,463,401.97/1,426,849.08
  6. Step 6: Final answer
    x = 720,405.88

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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.