Home / 1,252,437.74-1,878,962.62-399,509.54

Finding the Fourth Proportional to 1,252,437.74, 1,878,962.62 and 399,509.54

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Solution

The fourth proportional to 1,252,437.74, 1,878,962.62 and 399,509.54 is: 599,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,437.74 : 1,878,962.62 = 399,509.54 : x
  2. Step 2: Convert to fraction form
    1,252,437.74/1,878,962.62 = 399,509.54/x
  3. Step 3: Cross multiply
    1,252,437.74x = 1,878,962.62 × 399,509.54
  4. Step 4: Simplify right side
    1,252,437.74x = 750,663,494,679.58
  5. Step 5: Solve for x
    x = 750,663,494,679.58/1,252,437.74
  6. Step 6: Final answer
    x = 599,361.92

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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.