Home / 1,868,130.99-2,802,199.20-520,297.47

Finding the Fourth Proportional to 1,868,130.99, 2,802,199.20 and 520,297.47

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Solution

The fourth proportional to 1,868,130.99, 2,802,199.20 and 520,297.47 is: 780,446.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,130.99 : 2,802,199.20 = 520,297.47 : x
  2. Step 2: Convert to fraction form
    1,868,130.99/2,802,199.20 = 520,297.47/x
  3. Step 3: Cross multiply
    1,868,130.99x = 2,802,199.20 × 520,297.47
  4. Step 4: Simplify right side
    1,868,130.99x = 1,457,977,154,196.02
  5. Step 5: Solve for x
    x = 1,457,977,154,196.02/1,868,130.99
  6. Step 6: Final answer
    x = 780,446.96

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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.