Home / 1,268,790.62-1,903,929.50-510,513.98

Finding the Fourth Proportional to 1,268,790.62, 1,903,929.50 and 510,513.98

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Solution

The fourth proportional to 1,268,790.62, 1,903,929.50 and 510,513.98 is: 766,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,790.62 : 1,903,929.50 = 510,513.98 : x
  2. Step 2: Convert to fraction form
    1,268,790.62/1,903,929.50 = 510,513.98/x
  3. Step 3: Cross multiply
    1,268,790.62x = 1,903,929.50 × 510,513.98
  4. Step 4: Simplify right side
    1,268,790.62x = 971,982,618,441.05
  5. Step 5: Solve for x
    x = 971,982,618,441.05/1,268,790.62
  6. Step 6: Final answer
    x = 766,070.15

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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.