Home / 1,380,598.40-2,070,051.96-538,166

Finding the Fourth Proportional to 1,380,598.40, 2,070,051.96 and 538,166

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Solution

The fourth proportional to 1,380,598.40, 2,070,051.96 and 538,166 is: 806,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,598.40 : 2,070,051.96 = 538,166 : x
  2. Step 2: Convert to fraction form
    1,380,598.40/2,070,051.96 = 538,166/x
  3. Step 3: Cross multiply
    1,380,598.40x = 2,070,051.96 × 538,166
  4. Step 4: Simplify right side
    1,380,598.40x = 1,114,031,583,105.36
  5. Step 5: Solve for x
    x = 1,114,031,583,105.36/1,380,598.40
  6. Step 6: Final answer
    x = 806,919.36

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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.