Home / 1,253,381.36-1,729,483.80-716,733.68

Finding the Fourth Proportional to 1,253,381.36, 1,729,483.80 and 716,733.68

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Solution

The fourth proportional to 1,253,381.36, 1,729,483.80 and 716,733.68 is: 988,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,381.36 : 1,729,483.80 = 716,733.68 : x
  2. Step 2: Convert to fraction form
    1,253,381.36/1,729,483.80 = 716,733.68/x
  3. Step 3: Cross multiply
    1,253,381.36x = 1,729,483.80 × 716,733.68
  4. Step 4: Simplify right side
    1,253,381.36x = 1,239,579,288,474.38
  5. Step 5: Solve for x
    x = 1,239,579,288,474.38/1,253,381.36
  6. Step 6: Final answer
    x = 988,988.13

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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.