Home / 1,205,051.24-1,662,914.58-661,174.76

Finding the Fourth Proportional to 1,205,051.24, 1,662,914.58 and 661,174.76

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Solution

The fourth proportional to 1,205,051.24, 1,662,914.58 and 661,174.76 is: 912,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,051.24 : 1,662,914.58 = 661,174.76 : x
  2. Step 2: Convert to fraction form
    1,205,051.24/1,662,914.58 = 661,174.76/x
  3. Step 3: Cross multiply
    1,205,051.24x = 1,662,914.58 × 661,174.76
  4. Step 4: Simplify right side
    1,205,051.24x = 1,099,477,148,332.00
  5. Step 5: Solve for x
    x = 1,099,477,148,332.00/1,205,051.24
  6. Step 6: Final answer
    x = 912,390.37

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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.