Home / 931,891.06-1,395,787.65-770,133.72

Finding the Fourth Proportional to 931,891.06, 1,395,787.65 and 770,133.72

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Solution

The fourth proportional to 931,891.06, 1,395,787.65 and 770,133.72 is: 1,153,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,891.06 : 1,395,787.65 = 770,133.72 : x
  2. Step 2: Convert to fraction form
    931,891.06/1,395,787.65 = 770,133.72/x
  3. Step 3: Cross multiply
    931,891.06x = 1,395,787.65 × 770,133.72
  4. Step 4: Simplify right side
    931,891.06x = 1,074,943,137,570.76
  5. Step 5: Solve for x
    x = 1,074,943,137,570.76/931,891.06
  6. Step 6: Final answer
    x = 1,153,507.30

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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.