Home / 1,326,599.60-1,989,891.30-379,972.04

Finding the Fourth Proportional to 1,326,599.60, 1,989,891.30 and 379,972.04

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Solution

The fourth proportional to 1,326,599.60, 1,989,891.30 and 379,972.04 is: 569,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,599.60 : 1,989,891.30 = 379,972.04 : x
  2. Step 2: Convert to fraction form
    1,326,599.60/1,989,891.30 = 379,972.04/x
  3. Step 3: Cross multiply
    1,326,599.60x = 1,989,891.30 × 379,972.04
  4. Step 4: Simplify right side
    1,326,599.60x = 756,103,056,639.25
  5. Step 5: Solve for x
    x = 756,103,056,639.25/1,326,599.60
  6. Step 6: Final answer
    x = 569,955.74

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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.