Home / 1,077,644.54-1,487,096.12-612,437.86

Finding the Fourth Proportional to 1,077,644.54, 1,487,096.12 and 612,437.86

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Solution

The fourth proportional to 1,077,644.54, 1,487,096.12 and 612,437.86 is: 845,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,644.54 : 1,487,096.12 = 612,437.86 : x
  2. Step 2: Convert to fraction form
    1,077,644.54/1,487,096.12 = 612,437.86/x
  3. Step 3: Cross multiply
    1,077,644.54x = 1,487,096.12 × 612,437.86
  4. Step 4: Simplify right side
    1,077,644.54x = 910,753,965,347.10
  5. Step 5: Solve for x
    x = 910,753,965,347.10/1,077,644.54
  6. Step 6: Final answer
    x = 845,133.93

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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.