Home / 1,441,057.14-1,988,666.64-787,684.06

Finding the Fourth Proportional to 1,441,057.14, 1,988,666.64 and 787,684.06

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Solution

The fourth proportional to 1,441,057.14, 1,988,666.64 and 787,684.06 is: 1,087,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,057.14 : 1,988,666.64 = 787,684.06 : x
  2. Step 2: Convert to fraction form
    1,441,057.14/1,988,666.64 = 787,684.06/x
  3. Step 3: Cross multiply
    1,441,057.14x = 1,988,666.64 × 787,684.06
  4. Step 4: Simplify right side
    1,441,057.14x = 1,566,441,012,981.76
  5. Step 5: Solve for x
    x = 1,566,441,012,981.76/1,441,057.14
  6. Step 6: Final answer
    x = 1,087,008.26

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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.