Home / 1,315,846.72-1,973,893.68-369,213.28

Finding the Fourth Proportional to 1,315,846.72, 1,973,893.68 and 369,213.28

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Solution

The fourth proportional to 1,315,846.72, 1,973,893.68 and 369,213.28 is: 553,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,846.72 : 1,973,893.68 = 369,213.28 : x
  2. Step 2: Convert to fraction form
    1,315,846.72/1,973,893.68 = 369,213.28/x
  3. Step 3: Cross multiply
    1,315,846.72x = 1,973,893.68 × 369,213.28
  4. Step 4: Simplify right side
    1,315,846.72x = 728,787,759,964.07
  5. Step 5: Solve for x
    x = 728,787,759,964.07/1,315,846.72
  6. Step 6: Final answer
    x = 553,854.60

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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.