Home / 1,293,056.29-1,784,289.95-720,149.77

Finding the Fourth Proportional to 1,293,056.29, 1,784,289.95 and 720,149.77

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Solution

The fourth proportional to 1,293,056.29, 1,784,289.95 and 720,149.77 is: 993,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,056.29 : 1,784,289.95 = 720,149.77 : x
  2. Step 2: Convert to fraction form
    1,293,056.29/1,784,289.95 = 720,149.77/x
  3. Step 3: Cross multiply
    1,293,056.29x = 1,784,289.95 × 720,149.77
  4. Step 4: Simplify right side
    1,293,056.29x = 1,284,955,988,184.36
  5. Step 5: Solve for x
    x = 1,284,955,988,184.36/1,293,056.29
  6. Step 6: Final answer
    x = 993,735.54

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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.