Home / 1,114,938.40-1,672,407.60-404,989.60

Finding the Fourth Proportional to 1,114,938.40, 1,672,407.60 and 404,989.60

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Solution

The fourth proportional to 1,114,938.40, 1,672,407.60 and 404,989.60 is: 607,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,938.40 : 1,672,407.60 = 404,989.60 : x
  2. Step 2: Convert to fraction form
    1,114,938.40/1,672,407.60 = 404,989.60/x
  3. Step 3: Cross multiply
    1,114,938.40x = 1,672,407.60 × 404,989.60
  4. Step 4: Simplify right side
    1,114,938.40x = 677,307,684,960.96
  5. Step 5: Solve for x
    x = 677,307,684,960.96/1,114,938.40
  6. Step 6: Final answer
    x = 607,484.40

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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.