Home / 1,293,124.80-1,784,567.58-720,165

Finding the Fourth Proportional to 1,293,124.80, 1,784,567.58 and 720,165

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Solution

The fourth proportional to 1,293,124.80, 1,784,567.58 and 720,165 is: 993,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,124.80 : 1,784,567.58 = 720,165 : x
  2. Step 2: Convert to fraction form
    1,293,124.80/1,784,567.58 = 720,165/x
  3. Step 3: Cross multiply
    1,293,124.80x = 1,784,567.58 × 720,165
  4. Step 4: Simplify right side
    1,293,124.80x = 1,285,183,111,250.70
  5. Step 5: Solve for x
    x = 1,285,183,111,250.70/1,293,124.80
  6. Step 6: Final answer
    x = 993,858.53

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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.