Home / 1,139,093.08-1,708,654.20-340,191.70

Finding the Fourth Proportional to 1,139,093.08, 1,708,654.20 and 340,191.70

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Solution

The fourth proportional to 1,139,093.08, 1,708,654.20 and 340,191.70 is: 510,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,093.08 : 1,708,654.20 = 340,191.70 : x
  2. Step 2: Convert to fraction form
    1,139,093.08/1,708,654.20 = 340,191.70/x
  3. Step 3: Cross multiply
    1,139,093.08x = 1,708,654.20 × 340,191.70
  4. Step 4: Simplify right side
    1,139,093.08x = 581,269,977,010.14
  5. Step 5: Solve for x
    x = 581,269,977,010.14/1,139,093.08
  6. Step 6: Final answer
    x = 510,291.90

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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.