Home / 988,938.73-1,479,361.41-747,256.10

Finding the Fourth Proportional to 988,938.73, 1,479,361.41 and 747,256.10

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Solution

The fourth proportional to 988,938.73, 1,479,361.41 and 747,256.10 is: 1,117,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,938.73 : 1,479,361.41 = 747,256.10 : x
  2. Step 2: Convert to fraction form
    988,938.73/1,479,361.41 = 747,256.10/x
  3. Step 3: Cross multiply
    988,938.73x = 1,479,361.41 × 747,256.10
  4. Step 4: Simplify right side
    988,938.73x = 1,105,461,831,359.85
  5. Step 5: Solve for x
    x = 1,105,461,831,359.85/988,938.73
  6. Step 6: Final answer
    x = 1,117,826.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.