Home / 1,213,541.40-1,674,722.60-669,712.36

Finding the Fourth Proportional to 1,213,541.40, 1,674,722.60 and 669,712.36

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Solution

The fourth proportional to 1,213,541.40, 1,674,722.60 and 669,712.36 is: 924,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,541.40 : 1,674,722.60 = 669,712.36 : x
  2. Step 2: Convert to fraction form
    1,213,541.40/1,674,722.60 = 669,712.36/x
  3. Step 3: Cross multiply
    1,213,541.40x = 1,674,722.60 × 669,712.36
  4. Step 4: Simplify right side
    1,213,541.40x = 1,121,582,424,791.34
  5. Step 5: Solve for x
    x = 1,121,582,424,791.34/1,213,541.40
  6. Step 6: Final answer
    x = 924,222.63

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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.