Home / 1,868,276.40-2,802,025.80-520,090.80

Finding the Fourth Proportional to 1,868,276.40, 2,802,025.80 and 520,090.80

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Solution

The fourth proportional to 1,868,276.40, 2,802,025.80 and 520,090.80 is: 780,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,276.40 : 2,802,025.80 = 520,090.80 : x
  2. Step 2: Convert to fraction form
    1,868,276.40/2,802,025.80 = 520,090.80/x
  3. Step 3: Cross multiply
    1,868,276.40x = 2,802,025.80 × 520,090.80
  4. Step 4: Simplify right side
    1,868,276.40x = 1,457,307,839,942.64
  5. Step 5: Solve for x
    x = 1,457,307,839,942.64/1,868,276.40
  6. Step 6: Final answer
    x = 780,027.97

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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.