Home / 1,015,156.56-1,400,929.92-556,261.86

Finding the Fourth Proportional to 1,015,156.56, 1,400,929.92 and 556,261.86

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Solution

The fourth proportional to 1,015,156.56, 1,400,929.92 and 556,261.86 is: 767,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,156.56 : 1,400,929.92 = 556,261.86 : x
  2. Step 2: Convert to fraction form
    1,015,156.56/1,400,929.92 = 556,261.86/x
  3. Step 3: Cross multiply
    1,015,156.56x = 1,400,929.92 × 556,261.86
  4. Step 4: Simplify right side
    1,015,156.56x = 779,283,883,028.85
  5. Step 5: Solve for x
    x = 779,283,883,028.85/1,015,156.56
  6. Step 6: Final answer
    x = 767,648.97

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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.