Home / 863,140.10-1,206,821.50-863,140.10

Finding the Fourth Proportional to 863,140.10, 1,206,821.50 and 863,140.10

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Solution

The fourth proportional to 863,140.10, 1,206,821.50 and 863,140.10 is: 1,206,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,140.10 : 1,206,821.50 = 863,140.10 : x
  2. Step 2: Convert to fraction form
    863,140.10/1,206,821.50 = 863,140.10/x
  3. Step 3: Cross multiply
    863,140.10x = 1,206,821.50 × 863,140.10
  4. Step 4: Simplify right side
    863,140.10x = 1,041,656,030,192.15
  5. Step 5: Solve for x
    x = 1,041,656,030,192.15/863,140.10
  6. Step 6: Final answer
    x = 1,206,821.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.