Home / 1,430,816.20-1,972,553.36-1,141,410.04

Finding the Fourth Proportional to 1,430,816.20, 1,972,553.36 and 1,141,410.04

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Solution

The fourth proportional to 1,430,816.20, 1,972,553.36 and 1,141,410.04 is: 1,573,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,816.20 : 1,972,553.36 = 1,141,410.04 : x
  2. Step 2: Convert to fraction form
    1,430,816.20/1,972,553.36 = 1,141,410.04/x
  3. Step 3: Cross multiply
    1,430,816.20x = 1,972,553.36 × 1,141,410.04
  4. Step 4: Simplify right side
    1,430,816.20x = 2,251,492,209,539.73
  5. Step 5: Solve for x
    x = 2,251,492,209,539.73/1,430,816.20
  6. Step 6: Final answer
    x = 1,573,571.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.