Home / 1,434,914.10-1,980,194.85-790,336.62

Finding the Fourth Proportional to 1,434,914.10, 1,980,194.85 and 790,336.62

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Solution

The fourth proportional to 1,434,914.10, 1,980,194.85 and 790,336.62 is: 1,090,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,914.10 : 1,980,194.85 = 790,336.62 : x
  2. Step 2: Convert to fraction form
    1,434,914.10/1,980,194.85 = 790,336.62/x
  3. Step 3: Cross multiply
    1,434,914.10x = 1,980,194.85 × 790,336.62
  4. Step 4: Simplify right side
    1,434,914.10x = 1,565,020,504,690.41
  5. Step 5: Solve for x
    x = 1,565,020,504,690.41/1,434,914.10
  6. Step 6: Final answer
    x = 1,090,671.91

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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.