Home / 679,981.80-1,019,972.70-606,498.60

Finding the Fourth Proportional to 679,981.80, 1,019,972.70 and 606,498.60

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Solution

The fourth proportional to 679,981.80, 1,019,972.70 and 606,498.60 is: 909,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,981.80 : 1,019,972.70 = 606,498.60 : x
  2. Step 2: Convert to fraction form
    679,981.80/1,019,972.70 = 606,498.60/x
  3. Step 3: Cross multiply
    679,981.80x = 1,019,972.70 × 606,498.60
  4. Step 4: Simplify right side
    679,981.80x = 618,612,014,588.22
  5. Step 5: Solve for x
    x = 618,612,014,588.22/679,981.80
  6. Step 6: Final answer
    x = 909,747.90

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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.