Home / 1,280,544.53-1,767,252.26-729,283.67

Finding the Fourth Proportional to 1,280,544.53, 1,767,252.26 and 729,283.67

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Solution

The fourth proportional to 1,280,544.53, 1,767,252.26 and 729,283.67 is: 1,006,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,544.53 : 1,767,252.26 = 729,283.67 : x
  2. Step 2: Convert to fraction form
    1,280,544.53/1,767,252.26 = 729,283.67/x
  3. Step 3: Cross multiply
    1,280,544.53x = 1,767,252.26 × 729,283.67
  4. Step 4: Simplify right side
    1,280,544.53x = 1,288,828,213,602.74
  5. Step 5: Solve for x
    x = 1,288,828,213,602.74/1,280,544.53
  6. Step 6: Final answer
    x = 1,006,468.88

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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.