Home / 1,787,705.64-2,467,082.44-971,964.20

Finding the Fourth Proportional to 1,787,705.64, 2,467,082.44 and 971,964.20

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Solution

The fourth proportional to 1,787,705.64, 2,467,082.44 and 971,964.20 is: 1,341,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,705.64 : 2,467,082.44 = 971,964.20 : x
  2. Step 2: Convert to fraction form
    1,787,705.64/2,467,082.44 = 971,964.20/x
  3. Step 3: Cross multiply
    1,787,705.64x = 2,467,082.44 × 971,964.20
  4. Step 4: Simplify right side
    1,787,705.64x = 2,397,915,810,128.65
  5. Step 5: Solve for x
    x = 2,397,915,810,128.65/1,787,705.64
  6. Step 6: Final answer
    x = 1,341,337.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.