Home / 1,580,160.72-2,371,568.40-682,281.12

Finding the Fourth Proportional to 1,580,160.72, 2,371,568.40 and 682,281.12

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Solution

The fourth proportional to 1,580,160.72, 2,371,568.40 and 682,281.12 is: 1,023,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,160.72 : 2,371,568.40 = 682,281.12 : x
  2. Step 2: Convert to fraction form
    1,580,160.72/2,371,568.40 = 682,281.12/x
  3. Step 3: Cross multiply
    1,580,160.72x = 2,371,568.40 × 682,281.12
  4. Step 4: Simplify right side
    1,580,160.72x = 1,618,076,344,108.61
  5. Step 5: Solve for x
    x = 1,618,076,344,108.61/1,580,160.72
  6. Step 6: Final answer
    x = 1,023,994.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.