Home / 1,344,604.32-1,855,645.74-821,538.86

Finding the Fourth Proportional to 1,344,604.32, 1,855,645.74 and 821,538.86

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Solution

The fourth proportional to 1,344,604.32, 1,855,645.74 and 821,538.86 is: 1,133,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,604.32 : 1,855,645.74 = 821,538.86 : x
  2. Step 2: Convert to fraction form
    1,344,604.32/1,855,645.74 = 821,538.86/x
  3. Step 3: Cross multiply
    1,344,604.32x = 1,855,645.74 × 821,538.86
  4. Step 4: Simplify right side
    1,344,604.32x = 1,524,485,076,525.23
  5. Step 5: Solve for x
    x = 1,524,485,076,525.23/1,344,604.32
  6. Step 6: Final answer
    x = 1,133,779.70

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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.