Home / 1,868,261.90-2,802,004.05-520,076.30

Finding the Fourth Proportional to 1,868,261.90, 2,802,004.05 and 520,076.30

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Solution

The fourth proportional to 1,868,261.90, 2,802,004.05 and 520,076.30 is: 780,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,261.90 : 2,802,004.05 = 520,076.30 : x
  2. Step 2: Convert to fraction form
    1,868,261.90/2,802,004.05 = 520,076.30/x
  3. Step 3: Cross multiply
    1,868,261.90x = 2,802,004.05 × 520,076.30
  4. Step 4: Simplify right side
    1,868,261.90x = 1,457,255,898,909.02
  5. Step 5: Solve for x
    x = 1,457,255,898,909.02/1,868,261.90
  6. Step 6: Final answer
    x = 780,006.22

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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.