Home / 1,406,304.96-1,939,425.21-922,686.36

Finding the Fourth Proportional to 1,406,304.96, 1,939,425.21 and 922,686.36

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Solution

The fourth proportional to 1,406,304.96, 1,939,425.21 and 922,686.36 is: 1,272,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,304.96 : 1,939,425.21 = 922,686.36 : x
  2. Step 2: Convert to fraction form
    1,406,304.96/1,939,425.21 = 922,686.36/x
  3. Step 3: Cross multiply
    1,406,304.96x = 1,939,425.21 × 922,686.36
  4. Step 4: Simplify right side
    1,406,304.96x = 1,789,481,187,507.14
  5. Step 5: Solve for x
    x = 1,789,481,187,507.14/1,406,304.96
  6. Step 6: Final answer
    x = 1,272,470.22

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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.