Home / 1,010,072.64-1,393,929.89-551,216.82

Finding the Fourth Proportional to 1,010,072.64, 1,393,929.89 and 551,216.82

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Solution

The fourth proportional to 1,010,072.64, 1,393,929.89 and 551,216.82 is: 760,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,072.64 : 1,393,929.89 = 551,216.82 : x
  2. Step 2: Convert to fraction form
    1,010,072.64/1,393,929.89 = 551,216.82/x
  3. Step 3: Cross multiply
    1,010,072.64x = 1,393,929.89 × 551,216.82
  4. Step 4: Simplify right side
    1,010,072.64x = 768,357,601,268.75
  5. Step 5: Solve for x
    x = 768,357,601,268.75/1,010,072.64
  6. Step 6: Final answer
    x = 760,695.39

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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.