Home / 1,272,643.74-1,908,506.34-373,845.06

Finding the Fourth Proportional to 1,272,643.74, 1,908,506.34 and 373,845.06

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Solution

The fourth proportional to 1,272,643.74, 1,908,506.34 and 373,845.06 is: 560,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,643.74 : 1,908,506.34 = 373,845.06 : x
  2. Step 2: Convert to fraction form
    1,272,643.74/1,908,506.34 = 373,845.06/x
  3. Step 3: Cross multiply
    1,272,643.74x = 1,908,506.34 × 373,845.06
  4. Step 4: Simplify right side
    1,272,643.74x = 713,485,667,187.68
  5. Step 5: Solve for x
    x = 713,485,667,187.68/1,272,643.74
  6. Step 6: Final answer
    x = 560,632.68

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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.