Home / 1,535,271.20-2,302,885.20-693,821.60

Finding the Fourth Proportional to 1,535,271.20, 2,302,885.20 and 693,821.60

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Solution

The fourth proportional to 1,535,271.20, 2,302,885.20 and 693,821.60 is: 1,040,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,271.20 : 2,302,885.20 = 693,821.60 : x
  2. Step 2: Convert to fraction form
    1,535,271.20/2,302,885.20 = 693,821.60/x
  3. Step 3: Cross multiply
    1,535,271.20x = 2,302,885.20 × 693,821.60
  4. Step 4: Simplify right side
    1,535,271.20x = 1,597,791,494,080.32
  5. Step 5: Solve for x
    x = 1,597,791,494,080.32/1,535,271.20
  6. Step 6: Final answer
    x = 1,040,722.64

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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.