Home / 1,521,500.76-2,099,671.11-842,437.26

Finding the Fourth Proportional to 1,521,500.76, 2,099,671.11 and 842,437.26

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Solution

The fourth proportional to 1,521,500.76, 2,099,671.11 and 842,437.26 is: 1,162,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,500.76 : 2,099,671.11 = 842,437.26 : x
  2. Step 2: Convert to fraction form
    1,521,500.76/2,099,671.11 = 842,437.26/x
  3. Step 3: Cross multiply
    1,521,500.76x = 2,099,671.11 × 842,437.26
  4. Step 4: Simplify right side
    1,521,500.76x = 1,768,841,176,809.56
  5. Step 5: Solve for x
    x = 1,768,841,176,809.56/1,521,500.76
  6. Step 6: Final answer
    x = 1,162,563.45

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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.