Home / 1,478,462.72-2,219,736.30-1,021,929.31

Finding the Fourth Proportional to 1,478,462.72, 2,219,736.30 and 1,021,929.31

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Solution

The fourth proportional to 1,478,462.72, 2,219,736.30 and 1,021,929.31 is: 1,534,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,462.72 : 2,219,736.30 = 1,021,929.31 : x
  2. Step 2: Convert to fraction form
    1,478,462.72/2,219,736.30 = 1,021,929.31/x
  3. Step 3: Cross multiply
    1,478,462.72x = 2,219,736.30 × 1,021,929.31
  4. Step 4: Simplify right side
    1,478,462.72x = 2,268,413,569,232.63
  5. Step 5: Solve for x
    x = 2,268,413,569,232.63/1,478,462.72
  6. Step 6: Final answer
    x = 1,534,305.56

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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.