Home / 1,395,444.20-2,093,166.30-509,325.80

Finding the Fourth Proportional to 1,395,444.20, 2,093,166.30 and 509,325.80

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Solution

The fourth proportional to 1,395,444.20, 2,093,166.30 and 509,325.80 is: 763,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,444.20 : 2,093,166.30 = 509,325.80 : x
  2. Step 2: Convert to fraction form
    1,395,444.20/2,093,166.30 = 509,325.80/x
  3. Step 3: Cross multiply
    1,395,444.20x = 2,093,166.30 × 509,325.80
  4. Step 4: Simplify right side
    1,395,444.20x = 1,066,103,600,280.54
  5. Step 5: Solve for x
    x = 1,066,103,600,280.54/1,395,444.20
  6. Step 6: Final answer
    x = 763,988.70

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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.