Home / 1,531,633.17-2,113,636.73-843,290.81

Finding the Fourth Proportional to 1,531,633.17, 2,113,636.73 and 843,290.81

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Solution

The fourth proportional to 1,531,633.17, 2,113,636.73 and 843,290.81 is: 1,163,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,633.17 : 2,113,636.73 = 843,290.81 : x
  2. Step 2: Convert to fraction form
    1,531,633.17/2,113,636.73 = 843,290.81/x
  3. Step 3: Cross multiply
    1,531,633.17x = 2,113,636.73 × 843,290.81
  4. Step 4: Simplify right side
    1,531,633.17x = 1,782,410,415,302.81
  5. Step 5: Solve for x
    x = 1,782,410,415,302.81/1,531,633.17
  6. Step 6: Final answer
    x = 1,163,731.92

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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.