Home / 1,008,868.86-1,392,229.89-556,159.86

Finding the Fourth Proportional to 1,008,868.86, 1,392,229.89 and 556,159.86

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Solution

The fourth proportional to 1,008,868.86, 1,392,229.89 and 556,159.86 is: 767,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,868.86 : 1,392,229.89 = 556,159.86 : x
  2. Step 2: Convert to fraction form
    1,008,868.86/1,392,229.89 = 556,159.86/x
  3. Step 3: Cross multiply
    1,008,868.86x = 1,392,229.89 × 556,159.86
  4. Step 4: Simplify right side
    1,008,868.86x = 774,302,380,710.22
  5. Step 5: Solve for x
    x = 774,302,380,710.22/1,008,868.86
  6. Step 6: Final answer
    x = 767,495.57

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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.