Home / 1,323,611.52-1,826,575.68-720,001.92

Finding the Fourth Proportional to 1,323,611.52, 1,826,575.68 and 720,001.92

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Solution

The fourth proportional to 1,323,611.52, 1,826,575.68 and 720,001.92 is: 993,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,611.52 : 1,826,575.68 = 720,001.92 : x
  2. Step 2: Convert to fraction form
    1,323,611.52/1,826,575.68 = 720,001.92/x
  3. Step 3: Cross multiply
    1,323,611.52x = 1,826,575.68 × 720,001.92
  4. Step 4: Simplify right side
    1,323,611.52x = 1,315,137,996,625.31
  5. Step 5: Solve for x
    x = 1,315,137,996,625.31/1,323,611.52
  6. Step 6: Final answer
    x = 993,598.18

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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.