Home / 1,415,647.09-2,123,470.59-404,761.02

Finding the Fourth Proportional to 1,415,647.09, 2,123,470.59 and 404,761.02

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Solution

The fourth proportional to 1,415,647.09, 2,123,470.59 and 404,761.02 is: 607,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,647.09 : 2,123,470.59 = 404,761.02 : x
  2. Step 2: Convert to fraction form
    1,415,647.09/2,123,470.59 = 404,761.02/x
  3. Step 3: Cross multiply
    1,415,647.09x = 2,123,470.59 × 404,761.02
  4. Step 4: Simplify right side
    1,415,647.09x = 859,498,121,948.40
  5. Step 5: Solve for x
    x = 859,498,121,948.40/1,415,647.09
  6. Step 6: Final answer
    x = 607,141.52

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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.