Home / 842,130.33-1,163,369.25-728,756.25

Finding the Fourth Proportional to 842,130.33, 1,163,369.25 and 728,756.25

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Solution

The fourth proportional to 842,130.33, 1,163,369.25 and 728,756.25 is: 1,006,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,130.33 : 1,163,369.25 = 728,756.25 : x
  2. Step 2: Convert to fraction form
    842,130.33/1,163,369.25 = 728,756.25/x
  3. Step 3: Cross multiply
    842,130.33x = 1,163,369.25 × 728,756.25
  4. Step 4: Simplify right side
    842,130.33x = 847,812,611,995.31
  5. Step 5: Solve for x
    x = 847,812,611,995.31/842,130.33
  6. Step 6: Final answer
    x = 1,006,747.51

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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.