Home / 1,190,036.58-1,785,764.25-431,937.33

Finding the Fourth Proportional to 1,190,036.58, 1,785,764.25 and 431,937.33

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Solution

The fourth proportional to 1,190,036.58, 1,785,764.25 and 431,937.33 is: 648,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,036.58 : 1,785,764.25 = 431,937.33 : x
  2. Step 2: Convert to fraction form
    1,190,036.58/1,785,764.25 = 431,937.33/x
  3. Step 3: Cross multiply
    1,190,036.58x = 1,785,764.25 × 431,937.33
  4. Step 4: Simplify right side
    1,190,036.58x = 771,338,242,154.45
  5. Step 5: Solve for x
    x = 771,338,242,154.45/1,190,036.58
  6. Step 6: Final answer
    x = 648,163.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.