Home / 1,126,288.44-1,554,389.53-642,926.27

Finding the Fourth Proportional to 1,126,288.44, 1,554,389.53 and 642,926.27

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Solution

The fourth proportional to 1,126,288.44, 1,554,389.53 and 642,926.27 is: 887,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,288.44 : 1,554,389.53 = 642,926.27 : x
  2. Step 2: Convert to fraction form
    1,126,288.44/1,554,389.53 = 642,926.27/x
  3. Step 3: Cross multiply
    1,126,288.44x = 1,554,389.53 × 642,926.27
  4. Step 4: Simplify right side
    1,126,288.44x = 999,357,864,928.61
  5. Step 5: Solve for x
    x = 999,357,864,928.61/1,126,288.44
  6. Step 6: Final answer
    x = 887,301.89

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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.