Home / 1,261,342.28-1,890,888.53-462,437.66

Finding the Fourth Proportional to 1,261,342.28, 1,890,888.53 and 462,437.66

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Solution

The fourth proportional to 1,261,342.28, 1,890,888.53 and 462,437.66 is: 693,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,342.28 : 1,890,888.53 = 462,437.66 : x
  2. Step 2: Convert to fraction form
    1,261,342.28/1,890,888.53 = 462,437.66/x
  3. Step 3: Cross multiply
    1,261,342.28x = 1,890,888.53 × 462,437.66
  4. Step 4: Simplify right side
    1,261,342.28x = 874,418,055,367.41
  5. Step 5: Solve for x
    x = 874,418,055,367.41/1,261,342.28
  6. Step 6: Final answer
    x = 693,244.07

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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.