Home / 1,677,636.94-2,315,164.60-913,690.50

Finding the Fourth Proportional to 1,677,636.94, 2,315,164.60 and 913,690.50

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Solution

The fourth proportional to 1,677,636.94, 2,315,164.60 and 913,690.50 is: 1,260,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,636.94 : 2,315,164.60 = 913,690.50 : x
  2. Step 2: Convert to fraction form
    1,677,636.94/2,315,164.60 = 913,690.50/x
  3. Step 3: Cross multiply
    1,677,636.94x = 2,315,164.60 × 913,690.50
  4. Step 4: Simplify right side
    1,677,636.94x = 2,115,343,900,956.30
  5. Step 5: Solve for x
    x = 2,115,343,900,956.30/1,677,636.94
  6. Step 6: Final answer
    x = 1,260,906.84

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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.