Home / 1,097,438.70-1,645,380.45-498,686.70

Finding the Fourth Proportional to 1,097,438.70, 1,645,380.45 and 498,686.70

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Solution

The fourth proportional to 1,097,438.70, 1,645,380.45 and 498,686.70 is: 747,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,438.70 : 1,645,380.45 = 498,686.70 : x
  2. Step 2: Convert to fraction form
    1,097,438.70/1,645,380.45 = 498,686.70/x
  3. Step 3: Cross multiply
    1,097,438.70x = 1,645,380.45 × 498,686.70
  4. Step 4: Simplify right side
    1,097,438.70x = 820,529,346,855.02
  5. Step 5: Solve for x
    x = 820,529,346,855.02/1,097,438.70
  6. Step 6: Final answer
    x = 747,676.70

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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.