Home / 1,538,081.05-2,122,487.62-884,657.39

Finding the Fourth Proportional to 1,538,081.05, 2,122,487.62 and 884,657.39

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Solution

The fourth proportional to 1,538,081.05, 2,122,487.62 and 884,657.39 is: 1,220,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,081.05 : 2,122,487.62 = 884,657.39 : x
  2. Step 2: Convert to fraction form
    1,538,081.05/2,122,487.62 = 884,657.39/x
  3. Step 3: Cross multiply
    1,538,081.05x = 2,122,487.62 × 884,657.39
  4. Step 4: Simplify right side
    1,538,081.05x = 1,877,674,343,180.79
  5. Step 5: Solve for x
    x = 1,877,674,343,180.79/1,538,081.05
  6. Step 6: Final answer
    x = 1,220,790.25

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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.