Home / 1,345,299.64-2,017,355.74-385,537.43

Finding the Fourth Proportional to 1,345,299.64, 2,017,355.74 and 385,537.43

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Solution

The fourth proportional to 1,345,299.64, 2,017,355.74 and 385,537.43 is: 578,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,299.64 : 2,017,355.74 = 385,537.43 : x
  2. Step 2: Convert to fraction form
    1,345,299.64/2,017,355.74 = 385,537.43/x
  3. Step 3: Cross multiply
    1,345,299.64x = 2,017,355.74 × 385,537.43
  4. Step 4: Simplify right side
    1,345,299.64x = 777,766,137,790.49
  5. Step 5: Solve for x
    x = 777,766,137,790.49/1,345,299.64
  6. Step 6: Final answer
    x = 578,135.99

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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.