Home / 1,375,885.84-1,898,685.66-764,022.64

Finding the Fourth Proportional to 1,375,885.84, 1,898,685.66 and 764,022.64

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Solution

The fourth proportional to 1,375,885.84, 1,898,685.66 and 764,022.64 is: 1,054,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,885.84 : 1,898,685.66 = 764,022.64 : x
  2. Step 2: Convert to fraction form
    1,375,885.84/1,898,685.66 = 764,022.64/x
  3. Step 3: Cross multiply
    1,375,885.84x = 1,898,685.66 × 764,022.64
  4. Step 4: Simplify right side
    1,375,885.84x = 1,450,638,830,483.34
  5. Step 5: Solve for x
    x = 1,450,638,830,483.34/1,375,885.84
  6. Step 6: Final answer
    x = 1,054,330.81

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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.