Home / 1,513,780.73-2,089,002.15-825,450.84

Finding the Fourth Proportional to 1,513,780.73, 2,089,002.15 and 825,450.84

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Solution

The fourth proportional to 1,513,780.73, 2,089,002.15 and 825,450.84 is: 1,139,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,780.73 : 2,089,002.15 = 825,450.84 : x
  2. Step 2: Convert to fraction form
    1,513,780.73/2,089,002.15 = 825,450.84/x
  3. Step 3: Cross multiply
    1,513,780.73x = 2,089,002.15 × 825,450.84
  4. Step 4: Simplify right side
    1,513,780.73x = 1,724,368,579,479.31
  5. Step 5: Solve for x
    x = 1,724,368,579,479.31/1,513,780.73
  6. Step 6: Final answer
    x = 1,139,113.84

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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.