Home / 1,226,279.88-1,839,887.99-478,384.20

Finding the Fourth Proportional to 1,226,279.88, 1,839,887.99 and 478,384.20

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Solution

The fourth proportional to 1,226,279.88, 1,839,887.99 and 478,384.20 is: 717,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,279.88 : 1,839,887.99 = 478,384.20 : x
  2. Step 2: Convert to fraction form
    1,226,279.88/1,839,887.99 = 478,384.20/x
  3. Step 3: Cross multiply
    1,226,279.88x = 1,839,887.99 × 478,384.20
  4. Step 4: Simplify right side
    1,226,279.88x = 880,173,344,185.76
  5. Step 5: Solve for x
    x = 880,173,344,185.76/1,226,279.88
  6. Step 6: Final answer
    x = 717,758.94

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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.