Home / 1,150,514.50-1,587,764.08-641,220.52

Finding the Fourth Proportional to 1,150,514.50, 1,587,764.08 and 641,220.52

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Solution

The fourth proportional to 1,150,514.50, 1,587,764.08 and 641,220.52 is: 884,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,514.50 : 1,587,764.08 = 641,220.52 : x
  2. Step 2: Convert to fraction form
    1,150,514.50/1,587,764.08 = 641,220.52/x
  3. Step 3: Cross multiply
    1,150,514.50x = 1,587,764.08 × 641,220.52
  4. Step 4: Simplify right side
    1,150,514.50x = 1,018,106,909,014.92
  5. Step 5: Solve for x
    x = 1,018,106,909,014.92/1,150,514.50
  6. Step 6: Final answer
    x = 884,914.45

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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.