Home / 1,272,224.51-1,908,982.53-846,056.78

Finding the Fourth Proportional to 1,272,224.51, 1,908,982.53 and 846,056.78

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Solution

The fourth proportional to 1,272,224.51, 1,908,982.53 and 846,056.78 is: 1,269,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,224.51 : 1,908,982.53 = 846,056.78 : x
  2. Step 2: Convert to fraction form
    1,272,224.51/1,908,982.53 = 846,056.78/x
  3. Step 3: Cross multiply
    1,272,224.51x = 1,908,982.53 × 846,056.78
  4. Step 4: Simplify right side
    1,272,224.51x = 1,615,107,612,408.05
  5. Step 5: Solve for x
    x = 1,615,107,612,408.05/1,272,224.51
  6. Step 6: Final answer
    x = 1,269,514.62

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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.