Home / 1,275,991.64-1,913,987.44-377,363.40

Finding the Fourth Proportional to 1,275,991.64, 1,913,987.44 and 377,363.40

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Solution

The fourth proportional to 1,275,991.64, 1,913,987.44 and 377,363.40 is: 566,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,991.64 : 1,913,987.44 = 377,363.40 : x
  2. Step 2: Convert to fraction form
    1,275,991.64/1,913,987.44 = 377,363.40/x
  3. Step 3: Cross multiply
    1,275,991.64x = 1,913,987.44 × 377,363.40
  4. Step 4: Simplify right side
    1,275,991.64x = 722,268,807,915.70
  5. Step 5: Solve for x
    x = 722,268,807,915.70/1,275,991.64
  6. Step 6: Final answer
    x = 566,045.09

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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.