Home / 1,278,506.40-1,765,002.18-933,955.49

Finding the Fourth Proportional to 1,278,506.40, 1,765,002.18 and 933,955.49

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Solution

The fourth proportional to 1,278,506.40, 1,765,002.18 and 933,955.49 is: 1,289,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,506.40 : 1,765,002.18 = 933,955.49 : x
  2. Step 2: Convert to fraction form
    1,278,506.40/1,765,002.18 = 933,955.49/x
  3. Step 3: Cross multiply
    1,278,506.40x = 1,765,002.18 × 933,955.49
  4. Step 4: Simplify right side
    1,278,506.40x = 1,648,433,467,047.96
  5. Step 5: Solve for x
    x = 1,648,433,467,047.96/1,278,506.40
  6. Step 6: Final answer
    x = 1,289,343.15

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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.