Home / 1,643,132.52-2,465,009.80-756,668.52

Finding the Fourth Proportional to 1,643,132.52, 2,465,009.80 and 756,668.52

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Solution

The fourth proportional to 1,643,132.52, 2,465,009.80 and 756,668.52 is: 1,135,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,132.52 : 2,465,009.80 = 756,668.52 : x
  2. Step 2: Convert to fraction form
    1,643,132.52/2,465,009.80 = 756,668.52/x
  3. Step 3: Cross multiply
    1,643,132.52x = 2,465,009.80 × 756,668.52
  4. Step 4: Simplify right side
    1,643,132.52x = 1,865,195,317,151.50
  5. Step 5: Solve for x
    x = 1,865,195,317,151.50/1,643,132.52
  6. Step 6: Final answer
    x = 1,135,146.01

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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.