Home / 907,534.20-1,361,301.30-863,247.45

Finding the Fourth Proportional to 907,534.20, 1,361,301.30 and 863,247.45

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Solution

The fourth proportional to 907,534.20, 1,361,301.30 and 863,247.45 is: 1,294,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,534.20 : 1,361,301.30 = 863,247.45 : x
  2. Step 2: Convert to fraction form
    907,534.20/1,361,301.30 = 863,247.45/x
  3. Step 3: Cross multiply
    907,534.20x = 1,361,301.30 × 863,247.45
  4. Step 4: Simplify right side
    907,534.20x = 1,175,139,875,906.69
  5. Step 5: Solve for x
    x = 1,175,139,875,906.69/907,534.20
  6. Step 6: Final answer
    x = 1,294,871.18

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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.