Home / 1,138,039.80-1,707,901.56-539,001.96

Finding the Fourth Proportional to 1,138,039.80, 1,707,901.56 and 539,001.96

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Solution

The fourth proportional to 1,138,039.80, 1,707,901.56 and 539,001.96 is: 808,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,039.80 : 1,707,901.56 = 539,001.96 : x
  2. Step 2: Convert to fraction form
    1,138,039.80/1,707,901.56 = 539,001.96/x
  3. Step 3: Cross multiply
    1,138,039.80x = 1,707,901.56 × 539,001.96
  4. Step 4: Simplify right side
    1,138,039.80x = 920,562,288,327.06
  5. Step 5: Solve for x
    x = 920,562,288,327.06/1,138,039.80
  6. Step 6: Final answer
    x = 808,901.66

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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.