Home / 1,416,928.05-1,955,381.04-772,348.23

Finding the Fourth Proportional to 1,416,928.05, 1,955,381.04 and 772,348.23

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Solution

The fourth proportional to 1,416,928.05, 1,955,381.04 and 772,348.23 is: 1,065,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,928.05 : 1,955,381.04 = 772,348.23 : x
  2. Step 2: Convert to fraction form
    1,416,928.05/1,955,381.04 = 772,348.23/x
  3. Step 3: Cross multiply
    1,416,928.05x = 1,955,381.04 × 772,348.23
  4. Step 4: Simplify right side
    1,416,928.05x = 1,510,235,085,219.56
  5. Step 5: Solve for x
    x = 1,510,235,085,219.56/1,416,928.05
  6. Step 6: Final answer
    x = 1,065,851.64

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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.