Home / 1,012,418.97-1,509,698.72-1,003,305.39

Finding the Fourth Proportional to 1,012,418.97, 1,509,698.72 and 1,003,305.39

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Solution

The fourth proportional to 1,012,418.97, 1,509,698.72 and 1,003,305.39 is: 1,496,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,418.97 : 1,509,698.72 = 1,003,305.39 : x
  2. Step 2: Convert to fraction form
    1,012,418.97/1,509,698.72 = 1,003,305.39/x
  3. Step 3: Cross multiply
    1,012,418.97x = 1,509,698.72 × 1,003,305.39
  4. Step 4: Simplify right side
    1,012,418.97x = 1,514,688,858,035.57
  5. Step 5: Solve for x
    x = 1,514,688,858,035.57/1,012,418.97
  6. Step 6: Final answer
    x = 1,496,108.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.