Home / 1,637,861.80-2,457,138.30-516,044.20

Finding the Fourth Proportional to 1,637,861.80, 2,457,138.30 and 516,044.20

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Solution

The fourth proportional to 1,637,861.80, 2,457,138.30 and 516,044.20 is: 774,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,861.80 : 2,457,138.30 = 516,044.20 : x
  2. Step 2: Convert to fraction form
    1,637,861.80/2,457,138.30 = 516,044.20/x
  3. Step 3: Cross multiply
    1,637,861.80x = 2,457,138.30 × 516,044.20
  4. Step 4: Simplify right side
    1,637,861.80x = 1,267,991,968,312.86
  5. Step 5: Solve for x
    x = 1,267,991,968,312.86/1,637,861.80
  6. Step 6: Final answer
    x = 774,175.19

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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.