Home / 1,791,987.28-2,472,941.37-987,171.28

Finding the Fourth Proportional to 1,791,987.28, 2,472,941.37 and 987,171.28

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Solution

The fourth proportional to 1,791,987.28, 2,472,941.37 and 987,171.28 is: 1,362,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,987.28 : 2,472,941.37 = 987,171.28 : x
  2. Step 2: Convert to fraction form
    1,791,987.28/2,472,941.37 = 987,171.28/x
  3. Step 3: Cross multiply
    1,791,987.28x = 2,472,941.37 × 987,171.28
  4. Step 4: Simplify right side
    1,791,987.28x = 2,441,216,697,587.85
  5. Step 5: Solve for x
    x = 2,441,216,697,587.85/1,791,987.28
  6. Step 6: Final answer
    x = 1,362,295.77

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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.