Home / 1,119,806.40-1,545,356.04-629,785.32

Finding the Fourth Proportional to 1,119,806.40, 1,545,356.04 and 629,785.32

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Solution

The fourth proportional to 1,119,806.40, 1,545,356.04 and 629,785.32 is: 869,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,806.40 : 1,545,356.04 = 629,785.32 : x
  2. Step 2: Convert to fraction form
    1,119,806.40/1,545,356.04 = 629,785.32/x
  3. Step 3: Cross multiply
    1,119,806.40x = 1,545,356.04 × 629,785.32
  4. Step 4: Simplify right side
    1,119,806.40x = 973,242,548,165.33
  5. Step 5: Solve for x
    x = 973,242,548,165.33/1,119,806.40
  6. Step 6: Final answer
    x = 869,116.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.