Home / 1,523,347.92-2,286,392.40-813,982.32

Finding the Fourth Proportional to 1,523,347.92, 2,286,392.40 and 813,982.32

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Solution

The fourth proportional to 1,523,347.92, 2,286,392.40 and 813,982.32 is: 1,221,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,347.92 : 2,286,392.40 = 813,982.32 : x
  2. Step 2: Convert to fraction form
    1,523,347.92/2,286,392.40 = 813,982.32/x
  3. Step 3: Cross multiply
    1,523,347.92x = 2,286,392.40 × 813,982.32
  4. Step 4: Simplify right side
    1,523,347.92x = 1,861,082,990,182.37
  5. Step 5: Solve for x
    x = 1,861,082,990,182.37/1,523,347.92
  6. Step 6: Final answer
    x = 1,221,705.80

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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.