Home / 1,455,177.80-2,182,766.70-457,905.80

Finding the Fourth Proportional to 1,455,177.80, 2,182,766.70 and 457,905.80

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Solution

The fourth proportional to 1,455,177.80, 2,182,766.70 and 457,905.80 is: 686,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,177.80 : 2,182,766.70 = 457,905.80 : x
  2. Step 2: Convert to fraction form
    1,455,177.80/2,182,766.70 = 457,905.80/x
  3. Step 3: Cross multiply
    1,455,177.80x = 2,182,766.70 × 457,905.80
  4. Step 4: Simplify right side
    1,455,177.80x = 999,501,531,976.86
  5. Step 5: Solve for x
    x = 999,501,531,976.86/1,455,177.80
  6. Step 6: Final answer
    x = 686,858.70

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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.