Home / 1,521,677.84-2,099,889.60-842,599.76

Finding the Fourth Proportional to 1,521,677.84, 2,099,889.60 and 842,599.76

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Solution

The fourth proportional to 1,521,677.84, 2,099,889.60 and 842,599.76 is: 1,162,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,677.84 : 2,099,889.60 = 842,599.76 : x
  2. Step 2: Convert to fraction form
    1,521,677.84/2,099,889.60 = 842,599.76/x
  3. Step 3: Cross multiply
    1,521,677.84x = 2,099,889.60 × 842,599.76
  4. Step 4: Simplify right side
    1,521,677.84x = 1,769,366,472,986.50
  5. Step 5: Solve for x
    x = 1,769,366,472,986.50/1,521,677.84
  6. Step 6: Final answer
    x = 1,162,773.37

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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.