Home / 1,142,723.42-1,576,924.17-626,459.66

Finding the Fourth Proportional to 1,142,723.42, 1,576,924.17 and 626,459.66

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Solution

The fourth proportional to 1,142,723.42, 1,576,924.17 and 626,459.66 is: 864,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,723.42 : 1,576,924.17 = 626,459.66 : x
  2. Step 2: Convert to fraction form
    1,142,723.42/1,576,924.17 = 626,459.66/x
  3. Step 3: Cross multiply
    1,142,723.42x = 1,576,924.17 × 626,459.66
  4. Step 4: Simplify right side
    1,142,723.42x = 987,879,379,383.98
  5. Step 5: Solve for x
    x = 987,879,379,383.98/1,142,723.42
  6. Step 6: Final answer
    x = 864,495.61

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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.