Home / 913,347.48-1,259,586.98-784,245.46

Finding the Fourth Proportional to 913,347.48, 1,259,586.98 and 784,245.46

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Solution

The fourth proportional to 913,347.48, 1,259,586.98 and 784,245.46 is: 1,081,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,347.48 : 1,259,586.98 = 784,245.46 : x
  2. Step 2: Convert to fraction form
    913,347.48/1,259,586.98 = 784,245.46/x
  3. Step 3: Cross multiply
    913,347.48x = 1,259,586.98 × 784,245.46
  4. Step 4: Simplify right side
    913,347.48x = 987,825,370,540.11
  5. Step 5: Solve for x
    x = 987,825,370,540.11/913,347.48
  6. Step 6: Final answer
    x = 1,081,543.87

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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.