Home / 1,664,628.79-2,497,015.85-527,474.79

Finding the Fourth Proportional to 1,664,628.79, 2,497,015.85 and 527,474.79

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Solution

The fourth proportional to 1,664,628.79, 2,497,015.85 and 527,474.79 is: 791,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,628.79 : 2,497,015.85 = 527,474.79 : x
  2. Step 2: Convert to fraction form
    1,664,628.79/2,497,015.85 = 527,474.79/x
  3. Step 3: Cross multiply
    1,664,628.79x = 2,497,015.85 × 527,474.79
  4. Step 4: Simplify right side
    1,664,628.79x = 1,317,112,902,071.28
  5. Step 5: Solve for x
    x = 1,317,112,902,071.28/1,664,628.79
  6. Step 6: Final answer
    x = 791,235.21

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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.