Home / 1,208,424.15-1,667,587.16-664,558.26

Finding the Fourth Proportional to 1,208,424.15, 1,667,587.16 and 664,558.26

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Solution

The fourth proportional to 1,208,424.15, 1,667,587.16 and 664,558.26 is: 917,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,424.15 : 1,667,587.16 = 664,558.26 : x
  2. Step 2: Convert to fraction form
    1,208,424.15/1,667,587.16 = 664,558.26/x
  3. Step 3: Cross multiply
    1,208,424.15x = 1,667,587.16 × 664,558.26
  4. Step 4: Simplify right side
    1,208,424.15x = 1,108,208,818,125.15
  5. Step 5: Solve for x
    x = 1,108,208,818,125.15/1,208,424.15
  6. Step 6: Final answer
    x = 917,069.41

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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.