Home / 1,643,439.58-2,465,159.40-445,361.86

Finding the Fourth Proportional to 1,643,439.58, 2,465,159.40 and 445,361.86

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Solution

The fourth proportional to 1,643,439.58, 2,465,159.40 and 445,361.86 is: 668,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,439.58 : 2,465,159.40 = 445,361.86 : x
  2. Step 2: Convert to fraction form
    1,643,439.58/2,465,159.40 = 445,361.86/x
  3. Step 3: Cross multiply
    1,643,439.58x = 2,465,159.40 × 445,361.86
  4. Step 4: Simplify right side
    1,643,439.58x = 1,097,887,975,580.48
  5. Step 5: Solve for x
    x = 1,097,887,975,580.48/1,643,439.58
  6. Step 6: Final answer
    x = 668,042.80

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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.