Home / 1,782,041.80-2,673,165.10-520,064.20

Finding the Fourth Proportional to 1,782,041.80, 2,673,165.10 and 520,064.20

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Solution

The fourth proportional to 1,782,041.80, 2,673,165.10 and 520,064.20 is: 780,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,041.80 : 2,673,165.10 = 520,064.20 : x
  2. Step 2: Convert to fraction form
    1,782,041.80/2,673,165.10 = 520,064.20/x
  3. Step 3: Cross multiply
    1,782,041.80x = 2,673,165.10 × 520,064.20
  4. Step 4: Simplify right side
    1,782,041.80x = 1,390,217,469,199.42
  5. Step 5: Solve for x
    x = 1,390,217,469,199.42/1,782,041.80
  6. Step 6: Final answer
    x = 780,126.18

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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.