Home / 1,491,989.40-2,235,359.70-1,224,300.60

Finding the Fourth Proportional to 1,491,989.40, 2,235,359.70 and 1,224,300.60

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Solution

The fourth proportional to 1,491,989.40, 2,235,359.70 and 1,224,300.60 is: 1,834,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,989.40 : 2,235,359.70 = 1,224,300.60 : x
  2. Step 2: Convert to fraction form
    1,491,989.40/2,235,359.70 = 1,224,300.60/x
  3. Step 3: Cross multiply
    1,491,989.40x = 2,235,359.70 × 1,224,300.60
  4. Step 4: Simplify right side
    1,491,989.40x = 2,736,752,221,925.82
  5. Step 5: Solve for x
    x = 2,736,752,221,925.82/1,491,989.40
  6. Step 6: Final answer
    x = 1,834,297.36

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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.