Home / 1,457,542.16-2,010,643.68-1,185,913.52

Finding the Fourth Proportional to 1,457,542.16, 2,010,643.68 and 1,185,913.52

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Solution

The fourth proportional to 1,457,542.16, 2,010,643.68 and 1,185,913.52 is: 1,635,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,542.16 : 2,010,643.68 = 1,185,913.52 : x
  2. Step 2: Convert to fraction form
    1,457,542.16/2,010,643.68 = 1,185,913.52/x
  3. Step 3: Cross multiply
    1,457,542.16x = 2,010,643.68 × 1,185,913.52
  4. Step 4: Simplify right side
    1,457,542.16x = 2,384,449,524,014.55
  5. Step 5: Solve for x
    x = 2,384,449,524,014.55/1,457,542.16
  6. Step 6: Final answer
    x = 1,635,938.63

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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.