Home / 1,218,534.42-1,681,630.06-674,670.22

Finding the Fourth Proportional to 1,218,534.42, 1,681,630.06 and 674,670.22

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Solution

The fourth proportional to 1,218,534.42, 1,681,630.06 and 674,670.22 is: 931,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,534.42 : 1,681,630.06 = 674,670.22 : x
  2. Step 2: Convert to fraction form
    1,218,534.42/1,681,630.06 = 674,670.22/x
  3. Step 3: Cross multiply
    1,218,534.42x = 1,681,630.06 × 674,670.22
  4. Step 4: Simplify right side
    1,218,534.42x = 1,134,545,722,538.81
  5. Step 5: Solve for x
    x = 1,134,545,722,538.81/1,218,534.42
  6. Step 6: Final answer
    x = 931,074.00

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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.