Home / 1,008,903.06-1,391,498.46-646,360.38

Finding the Fourth Proportional to 1,008,903.06, 1,391,498.46 and 646,360.38

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Solution

The fourth proportional to 1,008,903.06, 1,391,498.46 and 646,360.38 is: 891,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,903.06 : 1,391,498.46 = 646,360.38 : x
  2. Step 2: Convert to fraction form
    1,008,903.06/1,391,498.46 = 646,360.38/x
  3. Step 3: Cross multiply
    1,008,903.06x = 1,391,498.46 × 646,360.38
  4. Step 4: Simplify right side
    1,008,903.06x = 899,409,473,375.02
  5. Step 5: Solve for x
    x = 899,409,473,375.02/1,008,903.06
  6. Step 6: Final answer
    x = 891,472.64

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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.