Home / 1,367,557.89-2,051,363.22-420,927.63

Finding the Fourth Proportional to 1,367,557.89, 2,051,363.22 and 420,927.63

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Solution

The fourth proportional to 1,367,557.89, 2,051,363.22 and 420,927.63 is: 631,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,557.89 : 2,051,363.22 = 420,927.63 : x
  2. Step 2: Convert to fraction form
    1,367,557.89/2,051,363.22 = 420,927.63/x
  3. Step 3: Cross multiply
    1,367,557.89x = 2,051,363.22 × 420,927.63
  4. Step 4: Simplify right side
    1,367,557.89x = 863,475,458,463.77
  5. Step 5: Solve for x
    x = 863,475,458,463.77/1,367,557.89
  6. Step 6: Final answer
    x = 631,399.57

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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.