Home / 1,492,390.88-2,059,572.41-839,222.45

Finding the Fourth Proportional to 1,492,390.88, 2,059,572.41 and 839,222.45

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Solution

The fourth proportional to 1,492,390.88, 2,059,572.41 and 839,222.45 is: 1,158,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,390.88 : 2,059,572.41 = 839,222.45 : x
  2. Step 2: Convert to fraction form
    1,492,390.88/2,059,572.41 = 839,222.45/x
  3. Step 3: Cross multiply
    1,492,390.88x = 2,059,572.41 × 839,222.45
  4. Step 4: Simplify right side
    1,492,390.88x = 1,728,439,403,872.60
  5. Step 5: Solve for x
    x = 1,728,439,403,872.60/1,492,390.88
  6. Step 6: Final answer
    x = 1,158,168.03

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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.