Home / 1,172,354.21-1,757,612.64-462,913.28

Finding the Fourth Proportional to 1,172,354.21, 1,757,612.64 and 462,913.28

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Solution

The fourth proportional to 1,172,354.21, 1,757,612.64 and 462,913.28 is: 694,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,354.21 : 1,757,612.64 = 462,913.28 : x
  2. Step 2: Convert to fraction form
    1,172,354.21/1,757,612.64 = 462,913.28/x
  3. Step 3: Cross multiply
    1,172,354.21x = 1,757,612.64 × 462,913.28
  4. Step 4: Simplify right side
    1,172,354.21x = 813,622,223,363.80
  5. Step 5: Solve for x
    x = 813,622,223,363.80/1,172,354.21
  6. Step 6: Final answer
    x = 694,007.17

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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.