Home / 1,531,029.73-2,112,683.70-886,493.43

Finding the Fourth Proportional to 1,531,029.73, 2,112,683.70 and 886,493.43

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Solution

The fourth proportional to 1,531,029.73, 2,112,683.70 and 886,493.43 is: 1,223,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,029.73 : 2,112,683.70 = 886,493.43 : x
  2. Step 2: Convert to fraction form
    1,531,029.73/2,112,683.70 = 886,493.43/x
  3. Step 3: Cross multiply
    1,531,029.73x = 2,112,683.70 × 886,493.43
  4. Step 4: Simplify right side
    1,531,029.73x = 1,872,880,209,154.67
  5. Step 5: Solve for x
    x = 1,872,880,209,154.67/1,531,029.73
  6. Step 6: Final answer
    x = 1,223,281.41

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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.