Home / 1,245,683.10-1,868,524.65-1,021,296.90

Finding the Fourth Proportional to 1,245,683.10, 1,868,524.65 and 1,021,296.90

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Solution

The fourth proportional to 1,245,683.10, 1,868,524.65 and 1,021,296.90 is: 1,531,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,683.10 : 1,868,524.65 = 1,021,296.90 : x
  2. Step 2: Convert to fraction form
    1,245,683.10/1,868,524.65 = 1,021,296.90/x
  3. Step 3: Cross multiply
    1,245,683.10x = 1,868,524.65 × 1,021,296.90
  4. Step 4: Simplify right side
    1,245,683.10x = 1,908,318,432,618.59
  5. Step 5: Solve for x
    x = 1,908,318,432,618.59/1,245,683.10
  6. Step 6: Final answer
    x = 1,531,945.35

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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.