Home / 1,184,828.52-1,635,055.74-640,962.12

Finding the Fourth Proportional to 1,184,828.52, 1,635,055.74 and 640,962.12

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Solution

The fourth proportional to 1,184,828.52, 1,635,055.74 and 640,962.12 is: 884,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,828.52 : 1,635,055.74 = 640,962.12 : x
  2. Step 2: Convert to fraction form
    1,184,828.52/1,635,055.74 = 640,962.12/x
  3. Step 3: Cross multiply
    1,184,828.52x = 1,635,055.74 × 640,962.12
  4. Step 4: Simplify right side
    1,184,828.52x = 1,048,008,793,428.57
  5. Step 5: Solve for x
    x = 1,048,008,793,428.57/1,184,828.52
  6. Step 6: Final answer
    x = 884,523.60

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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.