Home / 1,420,130.50-2,131,253.75-1,042,028.26

Finding the Fourth Proportional to 1,420,130.50, 2,131,253.75 and 1,042,028.26

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Solution

The fourth proportional to 1,420,130.50, 2,131,253.75 and 1,042,028.26 is: 1,563,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,130.50 : 2,131,253.75 = 1,042,028.26 : x
  2. Step 2: Convert to fraction form
    1,420,130.50/2,131,253.75 = 1,042,028.26/x
  3. Step 3: Cross multiply
    1,420,130.50x = 2,131,253.75 × 1,042,028.26
  4. Step 4: Simplify right side
    1,420,130.50x = 2,220,826,634,007.91
  5. Step 5: Solve for x
    x = 2,220,826,634,007.91/1,420,130.50
  6. Step 6: Final answer
    x = 1,563,818.70

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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.