Home / 945,963.60-1,418,945.40-899,307.60

Finding the Fourth Proportional to 945,963.60, 1,418,945.40 and 899,307.60

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Solution

The fourth proportional to 945,963.60, 1,418,945.40 and 899,307.60 is: 1,348,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,963.60 : 1,418,945.40 = 899,307.60 : x
  2. Step 2: Convert to fraction form
    945,963.60/1,418,945.40 = 899,307.60/x
  3. Step 3: Cross multiply
    945,963.60x = 1,418,945.40 × 899,307.60
  4. Step 4: Simplify right side
    945,963.60x = 1,276,068,382,205.04
  5. Step 5: Solve for x
    x = 1,276,068,382,205.04/945,963.60
  6. Step 6: Final answer
    x = 1,348,961.40

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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.