Home / 1,159,928.26-1,600,697.72-643,760.08

Finding the Fourth Proportional to 1,159,928.26, 1,600,697.72 and 643,760.08

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Solution

The fourth proportional to 1,159,928.26, 1,600,697.72 and 643,760.08 is: 888,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,928.26 : 1,600,697.72 = 643,760.08 : x
  2. Step 2: Convert to fraction form
    1,159,928.26/1,600,697.72 = 643,760.08/x
  3. Step 3: Cross multiply
    1,159,928.26x = 1,600,697.72 × 643,760.08
  4. Step 4: Simplify right side
    1,159,928.26x = 1,030,465,292,283.02
  5. Step 5: Solve for x
    x = 1,030,465,292,283.02/1,159,928.26
  6. Step 6: Final answer
    x = 888,387.09

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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.