Home / 1,159,895.03-1,600,613.09-643,671.46

Finding the Fourth Proportional to 1,159,895.03, 1,600,613.09 and 643,671.46

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Solution

The fourth proportional to 1,159,895.03, 1,600,613.09 and 643,671.46 is: 888,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,895.03 : 1,600,613.09 = 643,671.46 : x
  2. Step 2: Convert to fraction form
    1,159,895.03/1,600,613.09 = 643,671.46/x
  3. Step 3: Cross multiply
    1,159,895.03x = 1,600,613.09 × 643,671.46
  4. Step 4: Simplify right side
    1,159,895.03x = 1,030,268,965,731.59
  5. Step 5: Solve for x
    x = 1,030,268,965,731.59/1,159,895.03
  6. Step 6: Final answer
    x = 888,243.28

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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.