Home / 1,135,748.86-1,567,305.96-626,440.30

Finding the Fourth Proportional to 1,135,748.86, 1,567,305.96 and 626,440.30

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Solution

The fourth proportional to 1,135,748.86, 1,567,305.96 and 626,440.30 is: 864,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,748.86 : 1,567,305.96 = 626,440.30 : x
  2. Step 2: Convert to fraction form
    1,135,748.86/1,567,305.96 = 626,440.30/x
  3. Step 3: Cross multiply
    1,135,748.86x = 1,567,305.96 × 626,440.30
  4. Step 4: Simplify right side
    1,135,748.86x = 981,823,615,774.19
  5. Step 5: Solve for x
    x = 981,823,615,774.19/1,135,748.86
  6. Step 6: Final answer
    x = 864,472.46

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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.