Home / 1,624,399.68-2,240,967.89-979,461.58

Finding the Fourth Proportional to 1,624,399.68, 2,240,967.89 and 979,461.58

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Solution

The fourth proportional to 1,624,399.68, 2,240,967.89 and 979,461.58 is: 1,351,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,399.68 : 2,240,967.89 = 979,461.58 : x
  2. Step 2: Convert to fraction form
    1,624,399.68/2,240,967.89 = 979,461.58/x
  3. Step 3: Cross multiply
    1,624,399.68x = 2,240,967.89 × 979,461.58
  4. Step 4: Simplify right side
    1,624,399.68x = 2,194,941,950,268.67
  5. Step 5: Solve for x
    x = 2,194,941,950,268.67/1,624,399.68
  6. Step 6: Final answer
    x = 1,351,232.69

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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.