Home / 997,066.40-1,495,599.60-678,201.80

Finding the Fourth Proportional to 997,066.40, 1,495,599.60 and 678,201.80

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Solution

The fourth proportional to 997,066.40, 1,495,599.60 and 678,201.80 is: 1,017,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,066.40 : 1,495,599.60 = 678,201.80 : x
  2. Step 2: Convert to fraction form
    997,066.40/1,495,599.60 = 678,201.80/x
  3. Step 3: Cross multiply
    997,066.40x = 1,495,599.60 × 678,201.80
  4. Step 4: Simplify right side
    997,066.40x = 1,014,318,340,799.28
  5. Step 5: Solve for x
    x = 1,014,318,340,799.28/997,066.40
  6. Step 6: Final answer
    x = 1,017,302.70

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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.