Home / 1,137,899.20-1,706,848.80-1,085,411.20

Finding the Fourth Proportional to 1,137,899.20, 1,706,848.80 and 1,085,411.20

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Solution

The fourth proportional to 1,137,899.20, 1,706,848.80 and 1,085,411.20 is: 1,628,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,899.20 : 1,706,848.80 = 1,085,411.20 : x
  2. Step 2: Convert to fraction form
    1,137,899.20/1,706,848.80 = 1,085,411.20/x
  3. Step 3: Cross multiply
    1,137,899.20x = 1,706,848.80 × 1,085,411.20
  4. Step 4: Simplify right side
    1,137,899.20x = 1,852,632,804,226.56
  5. Step 5: Solve for x
    x = 1,852,632,804,226.56/1,137,899.20
  6. Step 6: Final answer
    x = 1,628,116.80

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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.