Home / 1,026,488.63-1,540,070.28-419,787.29

Finding the Fourth Proportional to 1,026,488.63, 1,540,070.28 and 419,787.29

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Solution

The fourth proportional to 1,026,488.63, 1,540,070.28 and 419,787.29 is: 629,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,488.63 : 1,540,070.28 = 419,787.29 : x
  2. Step 2: Convert to fraction form
    1,026,488.63/1,540,070.28 = 419,787.29/x
  3. Step 3: Cross multiply
    1,026,488.63x = 1,540,070.28 × 419,787.29
  4. Step 4: Simplify right side
    1,026,488.63x = 646,501,921,550.39
  5. Step 5: Solve for x
    x = 646,501,921,550.39/1,026,488.63
  6. Step 6: Final answer
    x = 629,818.89

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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.