Home / 1,100,527.24-1,518,743.64-641,629.32

Finding the Fourth Proportional to 1,100,527.24, 1,518,743.64 and 641,629.32

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Solution

The fourth proportional to 1,100,527.24, 1,518,743.64 and 641,629.32 is: 885,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,527.24 : 1,518,743.64 = 641,629.32 : x
  2. Step 2: Convert to fraction form
    1,100,527.24/1,518,743.64 = 641,629.32/x
  3. Step 3: Cross multiply
    1,100,527.24x = 1,518,743.64 × 641,629.32
  4. Step 4: Simplify right side
    1,100,527.24x = 974,470,448,987.53
  5. Step 5: Solve for x
    x = 974,470,448,987.53/1,100,527.24
  6. Step 6: Final answer
    x = 885,457.82

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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.