Home / 1,213,542.40-1,674,723.98-669,713.36

Finding the Fourth Proportional to 1,213,542.40, 1,674,723.98 and 669,713.36

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Solution

The fourth proportional to 1,213,542.40, 1,674,723.98 and 669,713.36 is: 924,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,542.40 : 1,674,723.98 = 669,713.36 : x
  2. Step 2: Convert to fraction form
    1,213,542.40/1,674,723.98 = 669,713.36/x
  3. Step 3: Cross multiply
    1,213,542.40x = 1,674,723.98 × 669,713.36
  4. Step 4: Simplify right side
    1,213,542.40x = 1,121,585,023,718.37
  5. Step 5: Solve for x
    x = 1,121,585,023,718.37/1,213,542.40
  6. Step 6: Final answer
    x = 924,224.01

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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.