Home / 1,139,439.42-1,708,528.59-465,993.68

Finding the Fourth Proportional to 1,139,439.42, 1,708,528.59 and 465,993.68

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Solution

The fourth proportional to 1,139,439.42, 1,708,528.59 and 465,993.68 is: 698,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,439.42 : 1,708,528.59 = 465,993.68 : x
  2. Step 2: Convert to fraction form
    1,139,439.42/1,708,528.59 = 465,993.68/x
  3. Step 3: Cross multiply
    1,139,439.42x = 1,708,528.59 × 465,993.68
  4. Step 4: Simplify right side
    1,139,439.42x = 796,163,516,496.67
  5. Step 5: Solve for x
    x = 796,163,516,496.67/1,139,439.42
  6. Step 6: Final answer
    x = 698,732.64

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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.