Home / 1,213,574.42-1,674,750.40-669,735.56

Finding the Fourth Proportional to 1,213,574.42, 1,674,750.40 and 669,735.56

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Solution

The fourth proportional to 1,213,574.42, 1,674,750.40 and 669,735.56 is: 924,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,574.42 : 1,674,750.40 = 669,735.56 : x
  2. Step 2: Convert to fraction form
    1,213,574.42/1,674,750.40 = 669,735.56/x
  3. Step 3: Cross multiply
    1,213,574.42x = 1,674,750.40 × 669,735.56
  4. Step 4: Simplify right side
    1,213,574.42x = 1,121,639,897,004.22
  5. Step 5: Solve for x
    x = 1,121,639,897,004.22/1,213,574.42
  6. Step 6: Final answer
    x = 924,244.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.