Home / 1,441,056.14-1,988,665.25-787,683.05

Finding the Fourth Proportional to 1,441,056.14, 1,988,665.25 and 787,683.05

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Solution

The fourth proportional to 1,441,056.14, 1,988,665.25 and 787,683.05 is: 1,087,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,056.14 : 1,988,665.25 = 787,683.05 : x
  2. Step 2: Convert to fraction form
    1,441,056.14/1,988,665.25 = 787,683.05/x
  3. Step 3: Cross multiply
    1,441,056.14x = 1,988,665.25 × 787,683.05
  4. Step 4: Simplify right side
    1,441,056.14x = 1,566,437,909,549.01
  5. Step 5: Solve for x
    x = 1,566,437,909,549.01/1,441,056.14
  6. Step 6: Final answer
    x = 1,087,006.86

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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.