Home / 1,450,187.20-2,175,280.80-851,435.20

Finding the Fourth Proportional to 1,450,187.20, 2,175,280.80 and 851,435.20

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Solution

The fourth proportional to 1,450,187.20, 2,175,280.80 and 851,435.20 is: 1,277,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,187.20 : 2,175,280.80 = 851,435.20 : x
  2. Step 2: Convert to fraction form
    1,450,187.20/2,175,280.80 = 851,435.20/x
  3. Step 3: Cross multiply
    1,450,187.20x = 2,175,280.80 × 851,435.20
  4. Step 4: Simplify right side
    1,450,187.20x = 1,852,110,643,004.16
  5. Step 5: Solve for x
    x = 1,852,110,643,004.16/1,450,187.20
  6. Step 6: Final answer
    x = 1,277,152.80

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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.