Home / 1,331,493.96-1,837,803.42-821,903.52

Finding the Fourth Proportional to 1,331,493.96, 1,837,803.42 and 821,903.52

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Solution

The fourth proportional to 1,331,493.96, 1,837,803.42 and 821,903.52 is: 1,134,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,493.96 : 1,837,803.42 = 821,903.52 : x
  2. Step 2: Convert to fraction form
    1,331,493.96/1,837,803.42 = 821,903.52/x
  3. Step 3: Cross multiply
    1,331,493.96x = 1,837,803.42 × 821,903.52
  4. Step 4: Simplify right side
    1,331,493.96x = 1,510,497,099,966.04
  5. Step 5: Solve for x
    x = 1,510,497,099,966.04/1,331,493.96
  6. Step 6: Final answer
    x = 1,134,437.82

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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.