Home / 1,396,368.60-2,094,552.90-918,071.70

Finding the Fourth Proportional to 1,396,368.60, 2,094,552.90 and 918,071.70

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Solution

The fourth proportional to 1,396,368.60, 2,094,552.90 and 918,071.70 is: 1,377,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,368.60 : 2,094,552.90 = 918,071.70 : x
  2. Step 2: Convert to fraction form
    1,396,368.60/2,094,552.90 = 918,071.70/x
  3. Step 3: Cross multiply
    1,396,368.60x = 2,094,552.90 × 918,071.70
  4. Step 4: Simplify right side
    1,396,368.60x = 1,922,949,741,642.93
  5. Step 5: Solve for x
    x = 1,922,949,741,642.93/1,396,368.60
  6. Step 6: Final answer
    x = 1,377,107.55

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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.