Home / 1,329,472.52-1,994,711.27-520,435.07

Finding the Fourth Proportional to 1,329,472.52, 1,994,711.27 and 520,435.07

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Solution

The fourth proportional to 1,329,472.52, 1,994,711.27 and 520,435.07 is: 780,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,472.52 : 1,994,711.27 = 520,435.07 : x
  2. Step 2: Convert to fraction form
    1,329,472.52/1,994,711.27 = 520,435.07/x
  3. Step 3: Cross multiply
    1,329,472.52x = 1,994,711.27 × 520,435.07
  4. Step 4: Simplify right side
    1,329,472.52x = 1,038,117,699,432.24
  5. Step 5: Solve for x
    x = 1,038,117,699,432.24/1,329,472.52
  6. Step 6: Final answer
    x = 780,849.31

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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.