Home / 1,331,508.97-1,997,278.02-384,887.89

Finding the Fourth Proportional to 1,331,508.97, 1,997,278.02 and 384,887.89

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Solution

The fourth proportional to 1,331,508.97, 1,997,278.02 and 384,887.89 is: 577,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,508.97 : 1,997,278.02 = 384,887.89 : x
  2. Step 2: Convert to fraction form
    1,331,508.97/1,997,278.02 = 384,887.89/x
  3. Step 3: Cross multiply
    1,331,508.97x = 1,997,278.02 × 384,887.89
  4. Step 4: Simplify right side
    1,331,508.97x = 768,728,122,861.18
  5. Step 5: Solve for x
    x = 768,728,122,861.18/1,331,508.97
  6. Step 6: Final answer
    x = 577,336.05

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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.