Home / 1,329,660.09-1,994,806.04-431,102.52

Finding the Fourth Proportional to 1,329,660.09, 1,994,806.04 and 431,102.52

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Solution

The fourth proportional to 1,329,660.09, 1,994,806.04 and 431,102.52 is: 646,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,660.09 : 1,994,806.04 = 431,102.52 : x
  2. Step 2: Convert to fraction form
    1,329,660.09/1,994,806.04 = 431,102.52/x
  3. Step 3: Cross multiply
    1,329,660.09x = 1,994,806.04 × 431,102.52
  4. Step 4: Simplify right side
    1,329,660.09x = 859,965,908,599.71
  5. Step 5: Solve for x
    x = 859,965,908,599.71/1,329,660.09
  6. Step 6: Final answer
    x = 646,756.20

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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.