Home / 1,235,275.80-1,704,601.44-691,319.76

Finding the Fourth Proportional to 1,235,275.80, 1,704,601.44 and 691,319.76

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Solution

The fourth proportional to 1,235,275.80, 1,704,601.44 and 691,319.76 is: 953,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,275.80 : 1,704,601.44 = 691,319.76 : x
  2. Step 2: Convert to fraction form
    1,235,275.80/1,704,601.44 = 691,319.76/x
  3. Step 3: Cross multiply
    1,235,275.80x = 1,704,601.44 × 691,319.76
  4. Step 4: Simplify right side
    1,235,275.80x = 1,178,424,658,396.45
  5. Step 5: Solve for x
    x = 1,178,424,658,396.45/1,235,275.80
  6. Step 6: Final answer
    x = 953,976.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.