Home / 1,280,766.60-1,767,410.10-736,986.36

Finding the Fourth Proportional to 1,280,766.60, 1,767,410.10 and 736,986.36

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Solution

The fourth proportional to 1,280,766.60, 1,767,410.10 and 736,986.36 is: 1,017,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,766.60 : 1,767,410.10 = 736,986.36 : x
  2. Step 2: Convert to fraction form
    1,280,766.60/1,767,410.10 = 736,986.36/x
  3. Step 3: Cross multiply
    1,280,766.60x = 1,767,410.10 × 736,986.36
  4. Step 4: Simplify right side
    1,280,766.60x = 1,302,557,136,226.24
  5. Step 5: Solve for x
    x = 1,302,557,136,226.24/1,280,766.60
  6. Step 6: Final answer
    x = 1,017,013.67

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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.