Home / 1,125,998.50-1,553,888.88-673,289.50

Finding the Fourth Proportional to 1,125,998.50, 1,553,888.88 and 673,289.50

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Solution

The fourth proportional to 1,125,998.50, 1,553,888.88 and 673,289.50 is: 929,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,998.50 : 1,553,888.88 = 673,289.50 : x
  2. Step 2: Convert to fraction form
    1,125,998.50/1,553,888.88 = 673,289.50/x
  3. Step 3: Cross multiply
    1,125,998.50x = 1,553,888.88 × 673,289.50
  4. Step 4: Simplify right side
    1,125,998.50x = 1,046,217,067,070.76
  5. Step 5: Solve for x
    x = 1,046,217,067,070.76/1,125,998.50
  6. Step 6: Final answer
    x = 929,146.06

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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.