Home / 1,210,694.70-1,815,264.45-501,005.10

Finding the Fourth Proportional to 1,210,694.70, 1,815,264.45 and 501,005.10

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Solution

The fourth proportional to 1,210,694.70, 1,815,264.45 and 501,005.10 is: 751,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,694.70 : 1,815,264.45 = 501,005.10 : x
  2. Step 2: Convert to fraction form
    1,210,694.70/1,815,264.45 = 501,005.10/x
  3. Step 3: Cross multiply
    1,210,694.70x = 1,815,264.45 × 501,005.10
  4. Step 4: Simplify right side
    1,210,694.70x = 909,456,747,298.70
  5. Step 5: Solve for x
    x = 909,456,747,298.70/1,210,694.70
  6. Step 6: Final answer
    x = 751,185.87

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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.