Home / 1,139,290-1,709,309.40-465,937.96

Finding the Fourth Proportional to 1,139,290, 1,709,309.40 and 465,937.96

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Solution

The fourth proportional to 1,139,290, 1,709,309.40 and 465,937.96 is: 699,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,290 : 1,709,309.40 = 465,937.96 : x
  2. Step 2: Convert to fraction form
    1,139,290/1,709,309.40 = 465,937.96/x
  3. Step 3: Cross multiply
    1,139,290x = 1,709,309.40 × 465,937.96
  4. Step 4: Simplify right side
    1,139,290x = 796,432,134,844.82
  5. Step 5: Solve for x
    x = 796,432,134,844.82/1,139,290
  6. Step 6: Final answer
    x = 699,060.06

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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.