Home / 1,132,937.86-1,699,390.13-280,009.59

Finding the Fourth Proportional to 1,132,937.86, 1,699,390.13 and 280,009.59

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Solution

The fourth proportional to 1,132,937.86, 1,699,390.13 and 280,009.59 is: 420,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,937.86 : 1,699,390.13 = 280,009.59 : x
  2. Step 2: Convert to fraction form
    1,132,937.86/1,699,390.13 = 280,009.59/x
  3. Step 3: Cross multiply
    1,132,937.86x = 1,699,390.13 × 280,009.59
  4. Step 4: Simplify right side
    1,132,937.86x = 475,845,533,551.35
  5. Step 5: Solve for x
    x = 475,845,533,551.35/1,132,937.86
  6. Step 6: Final answer
    x = 420,010.27

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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.