Home / 1,315,819.89-1,973,800.31-417,329.82

Finding the Fourth Proportional to 1,315,819.89, 1,973,800.31 and 417,329.82

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Solution

The fourth proportional to 1,315,819.89, 1,973,800.31 and 417,329.82 is: 626,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,819.89 : 1,973,800.31 = 417,329.82 : x
  2. Step 2: Convert to fraction form
    1,315,819.89/1,973,800.31 = 417,329.82/x
  3. Step 3: Cross multiply
    1,315,819.89x = 1,973,800.31 × 417,329.82
  4. Step 4: Simplify right side
    1,315,819.89x = 823,725,726,001.60
  5. Step 5: Solve for x
    x = 823,725,726,001.60/1,315,819.89
  6. Step 6: Final answer
    x = 626,017.08

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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.