Home / 1,870,956.40-2,807,260.80-910,879.60

Finding the Fourth Proportional to 1,870,956.40, 2,807,260.80 and 910,879.60

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Solution

The fourth proportional to 1,870,956.40, 2,807,260.80 and 910,879.60 is: 1,366,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,956.40 : 2,807,260.80 = 910,879.60 : x
  2. Step 2: Convert to fraction form
    1,870,956.40/2,807,260.80 = 910,879.60/x
  3. Step 3: Cross multiply
    1,870,956.40x = 2,807,260.80 × 910,879.60
  4. Step 4: Simplify right side
    1,870,956.40x = 2,557,076,594,599.68
  5. Step 5: Solve for x
    x = 2,557,076,594,599.68/1,870,956.40
  6. Step 6: Final answer
    x = 1,366,721.64

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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.