Home / 1,332,383.40-1,997,590.14-691,767.36

Finding the Fourth Proportional to 1,332,383.40, 1,997,590.14 and 691,767.36

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Solution

The fourth proportional to 1,332,383.40, 1,997,590.14 and 691,767.36 is: 1,037,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,383.40 : 1,997,590.14 = 691,767.36 : x
  2. Step 2: Convert to fraction form
    1,332,383.40/1,997,590.14 = 691,767.36/x
  3. Step 3: Cross multiply
    1,332,383.40x = 1,997,590.14 × 691,767.36
  4. Step 4: Simplify right side
    1,332,383.40x = 1,381,867,657,509.83
  5. Step 5: Solve for x
    x = 1,381,867,657,509.83/1,332,383.40
  6. Step 6: Final answer
    x = 1,037,139.65

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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.