Home / 1,335,278.88-2,002,895.16-424,457.34

Finding the Fourth Proportional to 1,335,278.88, 2,002,895.16 and 424,457.34

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Solution

The fourth proportional to 1,335,278.88, 2,002,895.16 and 424,457.34 is: 636,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,278.88 : 2,002,895.16 = 424,457.34 : x
  2. Step 2: Convert to fraction form
    1,335,278.88/2,002,895.16 = 424,457.34/x
  3. Step 3: Cross multiply
    1,335,278.88x = 2,002,895.16 × 424,457.34
  4. Step 4: Simplify right side
    1,335,278.88x = 850,143,551,912.47
  5. Step 5: Solve for x
    x = 850,143,551,912.47/1,335,278.88
  6. Step 6: Final answer
    x = 636,678.65

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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.