Home / 1,280,736.53-1,767,368.65-736,956.39

Finding the Fourth Proportional to 1,280,736.53, 1,767,368.65 and 736,956.39

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Solution

The fourth proportional to 1,280,736.53, 1,767,368.65 and 736,956.39 is: 1,016,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,736.53 : 1,767,368.65 = 736,956.39 : x
  2. Step 2: Convert to fraction form
    1,280,736.53/1,767,368.65 = 736,956.39/x
  3. Step 3: Cross multiply
    1,280,736.53x = 1,767,368.65 × 736,956.39
  4. Step 4: Simplify right side
    1,280,736.53x = 1,302,473,620,103.17
  5. Step 5: Solve for x
    x = 1,302,473,620,103.17/1,280,736.53
  6. Step 6: Final answer
    x = 1,016,972.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.