Home / 1,030,371.15-1,420,605.55-736,372.20

Finding the Fourth Proportional to 1,030,371.15, 1,420,605.55 and 736,372.20

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Solution

The fourth proportional to 1,030,371.15, 1,420,605.55 and 736,372.20 is: 1,015,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,371.15 : 1,420,605.55 = 736,372.20 : x
  2. Step 2: Convert to fraction form
    1,030,371.15/1,420,605.55 = 736,372.20/x
  3. Step 3: Cross multiply
    1,030,371.15x = 1,420,605.55 × 736,372.20
  4. Step 4: Simplify right side
    1,030,371.15x = 1,046,094,434,185.71
  5. Step 5: Solve for x
    x = 1,046,094,434,185.71/1,030,371.15
  6. Step 6: Final answer
    x = 1,015,259.83

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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.