Home / 1,293,253.02-1,784,621.43-720,282.78

Finding the Fourth Proportional to 1,293,253.02, 1,784,621.43 and 720,282.78

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Solution

The fourth proportional to 1,293,253.02, 1,784,621.43 and 720,282.78 is: 993,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,253.02 : 1,784,621.43 = 720,282.78 : x
  2. Step 2: Convert to fraction form
    1,293,253.02/1,784,621.43 = 720,282.78/x
  3. Step 3: Cross multiply
    1,293,253.02x = 1,784,621.43 × 720,282.78
  4. Step 4: Simplify right side
    1,293,253.02x = 1,285,432,084,847.98
  5. Step 5: Solve for x
    x = 1,285,432,084,847.98/1,293,253.02
  6. Step 6: Final answer
    x = 993,952.51

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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.