Home / 1,009,659.12-1,393,221.92-556,950.08

Finding the Fourth Proportional to 1,009,659.12, 1,393,221.92 and 556,950.08

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Solution

The fourth proportional to 1,009,659.12, 1,393,221.92 and 556,950.08 is: 768,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,659.12 : 1,393,221.92 = 556,950.08 : x
  2. Step 2: Convert to fraction form
    1,009,659.12/1,393,221.92 = 556,950.08/x
  3. Step 3: Cross multiply
    1,009,659.12x = 1,393,221.92 × 556,950.08
  4. Step 4: Simplify right side
    1,009,659.12x = 775,955,059,801.75
  5. Step 5: Solve for x
    x = 775,955,059,801.75/1,009,659.12
  6. Step 6: Final answer
    x = 768,531.72

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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.