Home / 1,521,677.34-2,099,888.91-842,599.26

Finding the Fourth Proportional to 1,521,677.34, 2,099,888.91 and 842,599.26

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Solution

The fourth proportional to 1,521,677.34, 2,099,888.91 and 842,599.26 is: 1,162,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,677.34 : 2,099,888.91 = 842,599.26 : x
  2. Step 2: Convert to fraction form
    1,521,677.34/2,099,888.91 = 842,599.26/x
  3. Step 3: Cross multiply
    1,521,677.34x = 2,099,888.91 × 842,599.26
  4. Step 4: Simplify right side
    1,521,677.34x = 1,769,364,841,648.21
  5. Step 5: Solve for x
    x = 1,769,364,841,648.21/1,521,677.34
  6. Step 6: Final answer
    x = 1,162,772.68

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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.