Home / 1,329,212.04-1,994,132.34-430,652.32

Finding the Fourth Proportional to 1,329,212.04, 1,994,132.34 and 430,652.32

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Solution

The fourth proportional to 1,329,212.04, 1,994,132.34 and 430,652.32 is: 646,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,212.04 : 1,994,132.34 = 430,652.32 : x
  2. Step 2: Convert to fraction form
    1,329,212.04/1,994,132.34 = 430,652.32/x
  3. Step 3: Cross multiply
    1,329,212.04x = 1,994,132.34 × 430,652.32
  4. Step 4: Simplify right side
    1,329,212.04x = 858,777,718,608.03
  5. Step 5: Solve for x
    x = 858,777,718,608.03/1,329,212.04
  6. Step 6: Final answer
    x = 646,080.30

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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.