Home / 1,379,278.52-1,903,374.53-798,526.13

Finding the Fourth Proportional to 1,379,278.52, 1,903,374.53 and 798,526.13

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Solution

The fourth proportional to 1,379,278.52, 1,903,374.53 and 798,526.13 is: 1,101,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,278.52 : 1,903,374.53 = 798,526.13 : x
  2. Step 2: Convert to fraction form
    1,379,278.52/1,903,374.53 = 798,526.13/x
  3. Step 3: Cross multiply
    1,379,278.52x = 1,903,374.53 × 798,526.13
  4. Step 4: Simplify right side
    1,379,278.52x = 1,519,894,283,871.97
  5. Step 5: Solve for x
    x = 1,519,894,283,871.97/1,379,278.52
  6. Step 6: Final answer
    x = 1,101,948.79

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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.