Home / 1,160,126.48-1,600,950.42-643,850.39

Finding the Fourth Proportional to 1,160,126.48, 1,600,950.42 and 643,850.39

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Solution

The fourth proportional to 1,160,126.48, 1,600,950.42 and 643,850.39 is: 888,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,126.48 : 1,600,950.42 = 643,850.39 : x
  2. Step 2: Convert to fraction form
    1,160,126.48/1,600,950.42 = 643,850.39/x
  3. Step 3: Cross multiply
    1,160,126.48x = 1,600,950.42 × 643,850.39
  4. Step 4: Simplify right side
    1,160,126.48x = 1,030,772,544,282.91
  5. Step 5: Solve for x
    x = 1,030,772,544,282.91/1,160,126.48
  6. Step 6: Final answer
    x = 888,500.15

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1.5x scale

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.