Home / 1,415,428.30-2,121,042.91-1,039,614.22

Finding the Fourth Proportional to 1,415,428.30, 2,121,042.91 and 1,039,614.22

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Solution

The fourth proportional to 1,415,428.30, 2,121,042.91 and 1,039,614.22 is: 1,557,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,428.30 : 2,121,042.91 = 1,039,614.22 : x
  2. Step 2: Convert to fraction form
    1,415,428.30/2,121,042.91 = 1,039,614.22/x
  3. Step 3: Cross multiply
    1,415,428.30x = 2,121,042.91 × 1,039,614.22
  4. Step 4: Simplify right side
    1,415,428.30x = 2,205,066,370,466.18
  5. Step 5: Solve for x
    x = 2,205,066,370,466.18/1,415,428.30
  6. Step 6: Final answer
    x = 1,557,879.24

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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.