Home / 1,293,119.66-1,784,560.50-720,159.83

Finding the Fourth Proportional to 1,293,119.66, 1,784,560.50 and 720,159.83

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Solution

The fourth proportional to 1,293,119.66, 1,784,560.50 and 720,159.83 is: 993,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,119.66 : 1,784,560.50 = 720,159.83 : x
  2. Step 2: Convert to fraction form
    1,293,119.66/1,784,560.50 = 720,159.83/x
  3. Step 3: Cross multiply
    1,293,119.66x = 1,784,560.50 × 720,159.83
  4. Step 4: Simplify right side
    1,293,119.66x = 1,285,168,789,415.82
  5. Step 5: Solve for x
    x = 1,285,168,789,415.82/1,293,119.66
  6. Step 6: Final answer
    x = 993,851.40

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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.