Home / 997,139.70-1,495,709.55-886,914.90

Finding the Fourth Proportional to 997,139.70, 1,495,709.55 and 886,914.90

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Solution

The fourth proportional to 997,139.70, 1,495,709.55 and 886,914.90 is: 1,330,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,139.70 : 1,495,709.55 = 886,914.90 : x
  2. Step 2: Convert to fraction form
    997,139.70/1,495,709.55 = 886,914.90/x
  3. Step 3: Cross multiply
    997,139.70x = 1,495,709.55 × 886,914.90
  4. Step 4: Simplify right side
    997,139.70x = 1,326,567,085,967.30
  5. Step 5: Solve for x
    x = 1,326,567,085,967.30/997,139.70
  6. Step 6: Final answer
    x = 1,330,372.35

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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.