Home / 1,139,276.97-1,572,171.12-629,961.93

Finding the Fourth Proportional to 1,139,276.97, 1,572,171.12 and 629,961.93

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Solution

The fourth proportional to 1,139,276.97, 1,572,171.12 and 629,961.93 is: 869,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,276.97 : 1,572,171.12 = 629,961.93 : x
  2. Step 2: Convert to fraction form
    1,139,276.97/1,572,171.12 = 629,961.93/x
  3. Step 3: Cross multiply
    1,139,276.97x = 1,572,171.12 × 629,961.93
  4. Step 4: Simplify right side
    1,139,276.97x = 990,407,953,045.46
  5. Step 5: Solve for x
    x = 990,407,953,045.46/1,139,276.97
  6. Step 6: Final answer
    x = 869,330.27

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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.