Home / 1,140,496.32-1,707,336-689,853.44

Finding the Fourth Proportional to 1,140,496.32, 1,707,336 and 689,853.44

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Solution

The fourth proportional to 1,140,496.32, 1,707,336 and 689,853.44 is: 1,032,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,496.32 : 1,707,336 = 689,853.44 : x
  2. Step 2: Convert to fraction form
    1,140,496.32/1,707,336 = 689,853.44/x
  3. Step 3: Cross multiply
    1,140,496.32x = 1,707,336 × 689,853.44
  4. Step 4: Simplify right side
    1,140,496.32x = 1,177,811,612,835.84
  5. Step 5: Solve for x
    x = 1,177,811,612,835.84/1,140,496.32
  6. Step 6: Final answer
    x = 1,032,718.47

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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.