Home / 1,609,173.80-2,415,143.10-711,996.20

Finding the Fourth Proportional to 1,609,173.80, 2,415,143.10 and 711,996.20

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Solution

The fourth proportional to 1,609,173.80, 2,415,143.10 and 711,996.20 is: 1,068,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,173.80 : 2,415,143.10 = 711,996.20 : x
  2. Step 2: Convert to fraction form
    1,609,173.80/2,415,143.10 = 711,996.20/x
  3. Step 3: Cross multiply
    1,609,173.80x = 2,415,143.10 × 711,996.20
  4. Step 4: Simplify right side
    1,609,173.80x = 1,719,572,709,656.22
  5. Step 5: Solve for x
    x = 1,719,572,709,656.22/1,609,173.80
  6. Step 6: Final answer
    x = 1,068,605.96

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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.