Home / 1,550,682.32-2,139,627.80-905,977.92

Finding the Fourth Proportional to 1,550,682.32, 2,139,627.80 and 905,977.92

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Solution

The fourth proportional to 1,550,682.32, 2,139,627.80 and 905,977.92 is: 1,250,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,682.32 : 2,139,627.80 = 905,977.92 : x
  2. Step 2: Convert to fraction form
    1,550,682.32/2,139,627.80 = 905,977.92/x
  3. Step 3: Cross multiply
    1,550,682.32x = 2,139,627.80 × 905,977.92
  4. Step 4: Simplify right side
    1,550,682.32x = 1,938,455,543,818.18
  5. Step 5: Solve for x
    x = 1,938,455,543,818.18/1,550,682.32
  6. Step 6: Final answer
    x = 1,250,066.19

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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.