Home / 679,969.90-1,019,954.85-675,822.70

Finding the Fourth Proportional to 679,969.90, 1,019,954.85 and 675,822.70

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Solution

The fourth proportional to 679,969.90, 1,019,954.85 and 675,822.70 is: 1,013,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,969.90 : 1,019,954.85 = 675,822.70 : x
  2. Step 2: Convert to fraction form
    679,969.90/1,019,954.85 = 675,822.70/x
  3. Step 3: Cross multiply
    679,969.90x = 1,019,954.85 × 675,822.70
  4. Step 4: Simplify right side
    679,969.90x = 689,308,640,605.10
  5. Step 5: Solve for x
    x = 689,308,640,605.10/679,969.90
  6. Step 6: Final answer
    x = 1,013,734.05

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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.