Home / 1,253,649.17-1,880,475.83-400,789.58

Finding the Fourth Proportional to 1,253,649.17, 1,880,475.83 and 400,789.58

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Solution

The fourth proportional to 1,253,649.17, 1,880,475.83 and 400,789.58 is: 601,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,649.17 : 1,880,475.83 = 400,789.58 : x
  2. Step 2: Convert to fraction form
    1,253,649.17/1,880,475.83 = 400,789.58/x
  3. Step 3: Cross multiply
    1,253,649.17x = 1,880,475.83 × 400,789.58
  4. Step 4: Simplify right side
    1,253,649.17x = 753,675,106,699.52
  5. Step 5: Solve for x
    x = 753,675,106,699.52/1,253,649.17
  6. Step 6: Final answer
    x = 601,185.03

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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.