Home / 1,528,494.28-2,105,676.48-1,068,748.63

Finding the Fourth Proportional to 1,528,494.28, 2,105,676.48 and 1,068,748.63

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Solution

The fourth proportional to 1,528,494.28, 2,105,676.48 and 1,068,748.63 is: 1,472,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,494.28 : 2,105,676.48 = 1,068,748.63 : x
  2. Step 2: Convert to fraction form
    1,528,494.28/2,105,676.48 = 1,068,748.63/x
  3. Step 3: Cross multiply
    1,528,494.28x = 2,105,676.48 × 1,068,748.63
  4. Step 4: Simplify right side
    1,528,494.28x = 2,250,438,853,223.22
  5. Step 5: Solve for x
    x = 2,250,438,853,223.22/1,528,494.28
  6. Step 6: Final answer
    x = 1,472,324.03

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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.