Home / 1,160,146.16-1,600,919.88-643,926.32

Finding the Fourth Proportional to 1,160,146.16, 1,600,919.88 and 643,926.32

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Solution

The fourth proportional to 1,160,146.16, 1,600,919.88 and 643,926.32 is: 888,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,146.16 : 1,600,919.88 = 643,926.32 : x
  2. Step 2: Convert to fraction form
    1,160,146.16/1,600,919.88 = 643,926.32/x
  3. Step 3: Cross multiply
    1,160,146.16x = 1,600,919.88 × 643,926.32
  4. Step 4: Simplify right side
    1,160,146.16x = 1,030,874,446,943.24
  5. Step 5: Solve for x
    x = 1,030,874,446,943.24/1,160,146.16
  6. Step 6: Final answer
    x = 888,572.91

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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.