Home / 1,184,838.53-1,635,073.61-640,974.20

Finding the Fourth Proportional to 1,184,838.53, 1,635,073.61 and 640,974.20

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Solution

The fourth proportional to 1,184,838.53, 1,635,073.61 and 640,974.20 is: 884,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,838.53 : 1,635,073.61 = 640,974.20 : x
  2. Step 2: Convert to fraction form
    1,184,838.53/1,635,073.61 = 640,974.20/x
  3. Step 3: Cross multiply
    1,184,838.53x = 1,635,073.61 × 640,974.20
  4. Step 4: Simplify right side
    1,184,838.53x = 1,048,039,987,730.62
  5. Step 5: Solve for x
    x = 1,048,039,987,730.62/1,184,838.53
  6. Step 6: Final answer
    x = 884,542.46

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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.