Home / 1,218,060.18-1,680,880.14-674,197.02

Finding the Fourth Proportional to 1,218,060.18, 1,680,880.14 and 674,197.02

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Solution

The fourth proportional to 1,218,060.18, 1,680,880.14 and 674,197.02 is: 930,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,060.18 : 1,680,880.14 = 674,197.02 : x
  2. Step 2: Convert to fraction form
    1,218,060.18/1,680,880.14 = 674,197.02/x
  3. Step 3: Cross multiply
    1,218,060.18x = 1,680,880.14 × 674,197.02
  4. Step 4: Simplify right side
    1,218,060.18x = 1,133,244,381,365.18
  5. Step 5: Solve for x
    x = 1,133,244,381,365.18/1,218,060.18
  6. Step 6: Final answer
    x = 930,368.14

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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.