Home / 1,458,005.70-2,187,008.55-511,472.10

Finding the Fourth Proportional to 1,458,005.70, 2,187,008.55 and 511,472.10

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Solution

The fourth proportional to 1,458,005.70, 2,187,008.55 and 511,472.10 is: 767,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,005.70 : 2,187,008.55 = 511,472.10 : x
  2. Step 2: Convert to fraction form
    1,458,005.70/2,187,008.55 = 511,472.10/x
  3. Step 3: Cross multiply
    1,458,005.70x = 2,187,008.55 × 511,472.10
  4. Step 4: Simplify right side
    1,458,005.70x = 1,118,593,855,786.45
  5. Step 5: Solve for x
    x = 1,118,593,855,786.45/1,458,005.70
  6. Step 6: Final answer
    x = 767,208.15

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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.