Home / 1,329,471.52-1,994,709.77-520,434.07

Finding the Fourth Proportional to 1,329,471.52, 1,994,709.77 and 520,434.07

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Solution

The fourth proportional to 1,329,471.52, 1,994,709.77 and 520,434.07 is: 780,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,471.52 : 1,994,709.77 = 520,434.07 : x
  2. Step 2: Convert to fraction form
    1,329,471.52/1,994,709.77 = 520,434.07/x
  3. Step 3: Cross multiply
    1,329,471.52x = 1,994,709.77 × 520,434.07
  4. Step 4: Simplify right side
    1,329,471.52x = 1,038,114,924,069.86
  5. Step 5: Solve for x
    x = 1,038,114,924,069.86/1,329,471.52
  6. Step 6: Final answer
    x = 780,847.81

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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.