Home / 1,447,242.78-1,997,317.62-802,870.50

Finding the Fourth Proportional to 1,447,242.78, 1,997,317.62 and 802,870.50

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Solution

The fourth proportional to 1,447,242.78, 1,997,317.62 and 802,870.50 is: 1,108,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,242.78 : 1,997,317.62 = 802,870.50 : x
  2. Step 2: Convert to fraction form
    1,447,242.78/1,997,317.62 = 802,870.50/x
  3. Step 3: Cross multiply
    1,447,242.78x = 1,997,317.62 × 802,870.50
  4. Step 4: Simplify right side
    1,447,242.78x = 1,603,587,396,228.21
  5. Step 5: Solve for x
    x = 1,603,587,396,228.21/1,447,242.78
  6. Step 6: Final answer
    x = 1,108,029.29

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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.