Home / 1,531,040.33-2,112,819.02-842,697.47

Finding the Fourth Proportional to 1,531,040.33, 2,112,819.02 and 842,697.47

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Solution

The fourth proportional to 1,531,040.33, 2,112,819.02 and 842,697.47 is: 1,162,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,040.33 : 2,112,819.02 = 842,697.47 : x
  2. Step 2: Convert to fraction form
    1,531,040.33/2,112,819.02 = 842,697.47/x
  3. Step 3: Cross multiply
    1,531,040.33x = 2,112,819.02 × 842,697.47
  4. Step 4: Simplify right side
    1,531,040.33x = 1,780,467,246,950.56
  5. Step 5: Solve for x
    x = 1,780,467,246,950.56/1,531,040.33
  6. Step 6: Final answer
    x = 1,162,913.35

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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.