Home / 1,230,126.60-1,845,708.30-669,563.40

Finding the Fourth Proportional to 1,230,126.60, 1,845,708.30 and 669,563.40

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Solution

The fourth proportional to 1,230,126.60, 1,845,708.30 and 669,563.40 is: 1,004,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,126.60 : 1,845,708.30 = 669,563.40 : x
  2. Step 2: Convert to fraction form
    1,230,126.60/1,845,708.30 = 669,563.40/x
  3. Step 3: Cross multiply
    1,230,126.60x = 1,845,708.30 × 669,563.40
  4. Step 4: Simplify right side
    1,230,126.60x = 1,235,818,724,756.22
  5. Step 5: Solve for x
    x = 1,235,818,724,756.22/1,230,126.60
  6. Step 6: Final answer
    x = 1,004,627.27

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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.