Home / 1,329,463.70-1,994,698.07-520,426.28

Finding the Fourth Proportional to 1,329,463.70, 1,994,698.07 and 520,426.28

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Solution

The fourth proportional to 1,329,463.70, 1,994,698.07 and 520,426.28 is: 780,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,463.70 : 1,994,698.07 = 520,426.28 : x
  2. Step 2: Convert to fraction form
    1,329,463.70/1,994,698.07 = 520,426.28/x
  3. Step 3: Cross multiply
    1,329,463.70x = 1,994,698.07 × 520,426.28
  4. Step 4: Simplify right side
    1,329,463.70x = 1,038,093,296,293.28
  5. Step 5: Solve for x
    x = 1,038,093,296,293.28/1,329,463.70
  6. Step 6: Final answer
    x = 780,836.13

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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.