Home / 1,142,722.42-1,576,922.79-626,458.66

Finding the Fourth Proportional to 1,142,722.42, 1,576,922.79 and 626,458.66

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Solution

The fourth proportional to 1,142,722.42, 1,576,922.79 and 626,458.66 is: 864,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,722.42 : 1,576,922.79 = 626,458.66 : x
  2. Step 2: Convert to fraction form
    1,142,722.42/1,576,922.79 = 626,458.66/x
  3. Step 3: Cross multiply
    1,142,722.42x = 1,576,922.79 × 626,458.66
  4. Step 4: Simplify right side
    1,142,722.42x = 987,876,937,946.86
  5. Step 5: Solve for x
    x = 987,876,937,946.86/1,142,722.42
  6. Step 6: Final answer
    x = 864,494.23

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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.