Home / 1,110,146.79-1,532,039.72-680,343.91

Finding the Fourth Proportional to 1,110,146.79, 1,532,039.72 and 680,343.91

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Solution

The fourth proportional to 1,110,146.79, 1,532,039.72 and 680,343.91 is: 938,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,146.79 : 1,532,039.72 = 680,343.91 : x
  2. Step 2: Convert to fraction form
    1,110,146.79/1,532,039.72 = 680,343.91/x
  3. Step 3: Cross multiply
    1,110,146.79x = 1,532,039.72 × 680,343.91
  4. Step 4: Simplify right side
    1,110,146.79x = 1,042,313,893,380.11
  5. Step 5: Solve for x
    x = 1,042,313,893,380.11/1,110,146.79
  6. Step 6: Final answer
    x = 938,897.36

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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.