Home / 1,340,660-1,849,918.40-789,047.84

Finding the Fourth Proportional to 1,340,660, 1,849,918.40 and 789,047.84

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Solution

The fourth proportional to 1,340,660, 1,849,918.40 and 789,047.84 is: 1,088,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,660 : 1,849,918.40 = 789,047.84 : x
  2. Step 2: Convert to fraction form
    1,340,660/1,849,918.40 = 789,047.84/x
  3. Step 3: Cross multiply
    1,340,660x = 1,849,918.40 × 789,047.84
  4. Step 4: Simplify right side
    1,340,660x = 1,459,674,117,696.26
  5. Step 5: Solve for x
    x = 1,459,674,117,696.26/1,340,660
  6. Step 6: Final answer
    x = 1,088,772.78

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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.