Home / 1,091,374.80-1,637,241.40-343,240.40

Finding the Fourth Proportional to 1,091,374.80, 1,637,241.40 and 343,240.40

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Solution

The fourth proportional to 1,091,374.80, 1,637,241.40 and 343,240.40 is: 514,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,374.80 : 1,637,241.40 = 343,240.40 : x
  2. Step 2: Convert to fraction form
    1,091,374.80/1,637,241.40 = 343,240.40/x
  3. Step 3: Cross multiply
    1,091,374.80x = 1,637,241.40 × 343,240.40
  4. Step 4: Simplify right side
    1,091,374.80x = 561,967,393,032.56
  5. Step 5: Solve for x
    x = 561,967,393,032.56/1,091,374.80
  6. Step 6: Final answer
    x = 514,916.96

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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.