Home / 1,050,966.90-1,450,570.40-688,180.06

Finding the Fourth Proportional to 1,050,966.90, 1,450,570.40 and 688,180.06

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Solution

The fourth proportional to 1,050,966.90, 1,450,570.40 and 688,180.06 is: 949,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,966.90 : 1,450,570.40 = 688,180.06 : x
  2. Step 2: Convert to fraction form
    1,050,966.90/1,450,570.40 = 688,180.06/x
  3. Step 3: Cross multiply
    1,050,966.90x = 1,450,570.40 × 688,180.06
  4. Step 4: Simplify right side
    1,050,966.90x = 998,253,624,906.22
  5. Step 5: Solve for x
    x = 998,253,624,906.22/1,050,966.90
  6. Step 6: Final answer
    x = 949,843.07

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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.