Home / 1,125,665.38-1,552,368.67-1,042,067.31

Finding the Fourth Proportional to 1,125,665.38, 1,552,368.67 and 1,042,067.31

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Solution

The fourth proportional to 1,125,665.38, 1,552,368.67 and 1,042,067.31 is: 1,437,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,665.38 : 1,552,368.67 = 1,042,067.31 : x
  2. Step 2: Convert to fraction form
    1,125,665.38/1,552,368.67 = 1,042,067.31/x
  3. Step 3: Cross multiply
    1,125,665.38x = 1,552,368.67 × 1,042,067.31
  4. Step 4: Simplify right side
    1,125,665.38x = 1,617,672,644,075.18
  5. Step 5: Solve for x
    x = 1,617,672,644,075.18/1,125,665.38
  6. Step 6: Final answer
    x = 1,437,081.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.