Home / 1,447,217.28-1,997,255.88-802,664.64

Finding the Fourth Proportional to 1,447,217.28, 1,997,255.88 and 802,664.64

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Solution

The fourth proportional to 1,447,217.28, 1,997,255.88 and 802,664.64 is: 1,107,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,217.28 : 1,997,255.88 = 802,664.64 : x
  2. Step 2: Convert to fraction form
    1,447,217.28/1,997,255.88 = 802,664.64/x
  3. Step 3: Cross multiply
    1,447,217.28x = 1,997,255.88 × 802,664.64
  4. Step 4: Simplify right side
    1,447,217.28x = 1,603,126,671,908.08
  5. Step 5: Solve for x
    x = 1,603,126,671,908.08/1,447,217.28
  6. Step 6: Final answer
    x = 1,107,730.47

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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.