Home / 1,293,245.52-1,784,611.08-720,275.28

Finding the Fourth Proportional to 1,293,245.52, 1,784,611.08 and 720,275.28

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Solution

The fourth proportional to 1,293,245.52, 1,784,611.08 and 720,275.28 is: 993,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,245.52 : 1,784,611.08 = 720,275.28 : x
  2. Step 2: Convert to fraction form
    1,293,245.52/1,784,611.08 = 720,275.28/x
  3. Step 3: Cross multiply
    1,293,245.52x = 1,784,611.08 × 720,275.28
  4. Step 4: Simplify right side
    1,293,245.52x = 1,285,411,245,338.10
  5. Step 5: Solve for x
    x = 1,285,411,245,338.10/1,293,245.52
  6. Step 6: Final answer
    x = 993,942.16

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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.