Home / 1,374,328.53-2,061,623.97-427,445.01

Finding the Fourth Proportional to 1,374,328.53, 2,061,623.97 and 427,445.01

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Solution

The fourth proportional to 1,374,328.53, 2,061,623.97 and 427,445.01 is: 641,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,328.53 : 2,061,623.97 = 427,445.01 : x
  2. Step 2: Convert to fraction form
    1,374,328.53/2,061,623.97 = 427,445.01/x
  3. Step 3: Cross multiply
    1,374,328.53x = 2,061,623.97 × 427,445.01
  4. Step 4: Simplify right side
    1,374,328.53x = 881,230,878,472.89
  5. Step 5: Solve for x
    x = 881,230,878,472.89/1,374,328.53
  6. Step 6: Final answer
    x = 641,208.31

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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.