Home / 1,316,289.25-1,974,433.89-319,017.25

Finding the Fourth Proportional to 1,316,289.25, 1,974,433.89 and 319,017.25

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Solution

The fourth proportional to 1,316,289.25, 1,974,433.89 and 319,017.25 is: 478,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,289.25 : 1,974,433.89 = 319,017.25 : x
  2. Step 2: Convert to fraction form
    1,316,289.25/1,974,433.89 = 319,017.25/x
  3. Step 3: Cross multiply
    1,316,289.25x = 1,974,433.89 × 319,017.25
  4. Step 4: Simplify right side
    1,316,289.25x = 629,878,469,894.60
  5. Step 5: Solve for x
    x = 629,878,469,894.60/1,316,289.25
  6. Step 6: Final answer
    x = 478,525.88

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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.