Home / 1,447,235.91-1,997,331.48-802,781.82

Finding the Fourth Proportional to 1,447,235.91, 1,997,331.48 and 802,781.82

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Solution

The fourth proportional to 1,447,235.91, 1,997,331.48 and 802,781.82 is: 1,107,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,235.91 : 1,997,331.48 = 802,781.82 : x
  2. Step 2: Convert to fraction form
    1,447,235.91/1,997,331.48 = 802,781.82/x
  3. Step 3: Cross multiply
    1,447,235.91x = 1,997,331.48 × 802,781.82
  4. Step 4: Simplify right side
    1,447,235.91x = 1,603,421,400,657.69
  5. Step 5: Solve for x
    x = 1,603,421,400,657.69/1,447,235.91
  6. Step 6: Final answer
    x = 1,107,919.86

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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.