Home / 909,770.55-1,361,816.03-670,154.60

Finding the Fourth Proportional to 909,770.55, 1,361,816.03 and 670,154.60

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Solution

The fourth proportional to 909,770.55, 1,361,816.03 and 670,154.60 is: 1,003,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,770.55 : 1,361,816.03 = 670,154.60 : x
  2. Step 2: Convert to fraction form
    909,770.55/1,361,816.03 = 670,154.60/x
  3. Step 3: Cross multiply
    909,770.55x = 1,361,816.03 × 670,154.60
  4. Step 4: Simplify right side
    909,770.55x = 912,627,266,698.39
  5. Step 5: Solve for x
    x = 912,627,266,698.39/909,770.55
  6. Step 6: Final answer
    x = 1,003,140.04

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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.