Home / 1,184,354.53-1,634,422.13-640,500.90

Finding the Fourth Proportional to 1,184,354.53, 1,634,422.13 and 640,500.90

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Solution

The fourth proportional to 1,184,354.53, 1,634,422.13 and 640,500.90 is: 883,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,354.53 : 1,634,422.13 = 640,500.90 : x
  2. Step 2: Convert to fraction form
    1,184,354.53/1,634,422.13 = 640,500.90/x
  3. Step 3: Cross multiply
    1,184,354.53x = 1,634,422.13 × 640,500.90
  4. Step 4: Simplify right side
    1,184,354.53x = 1,046,848,845,244.92
  5. Step 5: Solve for x
    x = 1,046,848,845,244.92/1,184,354.53
  6. Step 6: Final answer
    x = 883,898.21

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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.