Home / 1,461,721.20-2,194,914.60-1,065,145.20

Finding the Fourth Proportional to 1,461,721.20, 2,194,914.60 and 1,065,145.20

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Solution

The fourth proportional to 1,461,721.20, 2,194,914.60 and 1,065,145.20 is: 1,599,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,721.20 : 2,194,914.60 = 1,065,145.20 : x
  2. Step 2: Convert to fraction form
    1,461,721.20/2,194,914.60 = 1,065,145.20/x
  3. Step 3: Cross multiply
    1,461,721.20x = 2,194,914.60 × 1,065,145.20
  4. Step 4: Simplify right side
    1,461,721.20x = 2,337,902,750,599.92
  5. Step 5: Solve for x
    x = 2,337,902,750,599.92/1,461,721.20
  6. Step 6: Final answer
    x = 1,599,417.69

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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.