Home / 1,784,292.20-2,674,364.70-718,807.40

Finding the Fourth Proportional to 1,784,292.20, 2,674,364.70 and 718,807.40

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Solution

The fourth proportional to 1,784,292.20, 2,674,364.70 and 718,807.40 is: 1,077,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,292.20 : 2,674,364.70 = 718,807.40 : x
  2. Step 2: Convert to fraction form
    1,784,292.20/2,674,364.70 = 718,807.40/x
  3. Step 3: Cross multiply
    1,784,292.20x = 2,674,364.70 × 718,807.40
  4. Step 4: Simplify right side
    1,784,292.20x = 1,922,353,136,658.78
  5. Step 5: Solve for x
    x = 1,922,353,136,658.78/1,784,292.20
  6. Step 6: Final answer
    x = 1,077,375.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.