Home / 1,293,124.14-1,784,566.66-720,164.31

Finding the Fourth Proportional to 1,293,124.14, 1,784,566.66 and 720,164.31

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Solution

The fourth proportional to 1,293,124.14, 1,784,566.66 and 720,164.31 is: 993,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,124.14 : 1,784,566.66 = 720,164.31 : x
  2. Step 2: Convert to fraction form
    1,293,124.14/1,784,566.66 = 720,164.31/x
  3. Step 3: Cross multiply
    1,293,124.14x = 1,784,566.66 × 720,164.31
  4. Step 4: Simplify right side
    1,293,124.14x = 1,285,181,215,547.49
  5. Step 5: Solve for x
    x = 1,285,181,215,547.49/1,293,124.14
  6. Step 6: Final answer
    x = 993,857.57

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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.