Home / 1,199,126.20-1,794,752.70-931,437.40

Finding the Fourth Proportional to 1,199,126.20, 1,794,752.70 and 931,437.40

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Solution

The fourth proportional to 1,199,126.20, 1,794,752.70 and 931,437.40 is: 1,394,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,126.20 : 1,794,752.70 = 931,437.40 : x
  2. Step 2: Convert to fraction form
    1,199,126.20/1,794,752.70 = 931,437.40/x
  3. Step 3: Cross multiply
    1,199,126.20x = 1,794,752.70 × 931,437.40
  4. Step 4: Simplify right side
    1,199,126.20x = 1,671,699,788,530.98
  5. Step 5: Solve for x
    x = 1,671,699,788,530.98/1,199,126.20
  6. Step 6: Final answer
    x = 1,394,098.29

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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.