Home / 1,662,221.80-2,493,462.30-715,623.40

Finding the Fourth Proportional to 1,662,221.80, 2,493,462.30 and 715,623.40

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Solution

The fourth proportional to 1,662,221.80, 2,493,462.30 and 715,623.40 is: 1,073,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,221.80 : 2,493,462.30 = 715,623.40 : x
  2. Step 2: Convert to fraction form
    1,662,221.80/2,493,462.30 = 715,623.40/x
  3. Step 3: Cross multiply
    1,662,221.80x = 2,493,462.30 × 715,623.40
  4. Step 4: Simplify right side
    1,662,221.80x = 1,784,379,968,897.82
  5. Step 5: Solve for x
    x = 1,784,379,968,897.82/1,662,221.80
  6. Step 6: Final answer
    x = 1,073,490.90

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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.