Home / 1,447,196.40-1,997,250.57-802,824.30

Finding the Fourth Proportional to 1,447,196.40, 1,997,250.57 and 802,824.30

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Solution

The fourth proportional to 1,447,196.40, 1,997,250.57 and 802,824.30 is: 1,107,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,196.40 : 1,997,250.57 = 802,824.30 : x
  2. Step 2: Convert to fraction form
    1,447,196.40/1,997,250.57 = 802,824.30/x
  3. Step 3: Cross multiply
    1,447,196.40x = 1,997,250.57 × 802,824.30
  4. Step 4: Simplify right side
    1,447,196.40x = 1,603,441,290,784.85
  5. Step 5: Solve for x
    x = 1,603,441,290,784.85/1,447,196.40
  6. Step 6: Final answer
    x = 1,107,963.85

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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.