Home / 1,905,008.64-2,855,525.76-642,402.24

Finding the Fourth Proportional to 1,905,008.64, 2,855,525.76 and 642,402.24

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Solution

The fourth proportional to 1,905,008.64, 2,855,525.76 and 642,402.24 is: 962,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,008.64 : 2,855,525.76 = 642,402.24 : x
  2. Step 2: Convert to fraction form
    1,905,008.64/2,855,525.76 = 642,402.24/x
  3. Step 3: Cross multiply
    1,905,008.64x = 2,855,525.76 × 642,402.24
  4. Step 4: Simplify right side
    1,905,008.64x = 1,834,396,144,601.70
  5. Step 5: Solve for x
    x = 1,834,396,144,601.70/1,905,008.64
  6. Step 6: Final answer
    x = 962,933.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.