Home / 1,145,155.20-1,714,233.60-893,212.80

Finding the Fourth Proportional to 1,145,155.20, 1,714,233.60 and 893,212.80

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Solution

The fourth proportional to 1,145,155.20, 1,714,233.60 and 893,212.80 is: 1,337,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,155.20 : 1,714,233.60 = 893,212.80 : x
  2. Step 2: Convert to fraction form
    1,145,155.20/1,714,233.60 = 893,212.80/x
  3. Step 3: Cross multiply
    1,145,155.20x = 1,714,233.60 × 893,212.80
  4. Step 4: Simplify right side
    1,145,155.20x = 1,531,175,393,710.08
  5. Step 5: Solve for x
    x = 1,531,175,393,710.08/1,145,155.20
  6. Step 6: Final answer
    x = 1,337,089.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.