Home / 1,436,281.85-1,982,068.47-791,712.81

Finding the Fourth Proportional to 1,436,281.85, 1,982,068.47 and 791,712.81

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Solution

The fourth proportional to 1,436,281.85, 1,982,068.47 and 791,712.81 is: 1,092,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,281.85 : 1,982,068.47 = 791,712.81 : x
  2. Step 2: Convert to fraction form
    1,436,281.85/1,982,068.47 = 791,712.81/x
  3. Step 3: Cross multiply
    1,436,281.85x = 1,982,068.47 × 791,712.81
  4. Step 4: Simplify right side
    1,436,281.85x = 1,569,228,997,996.10
  5. Step 5: Solve for x
    x = 1,569,228,997,996.10/1,436,281.85
  6. Step 6: Final answer
    x = 1,092,563.41

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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.