Home / 1,685,739.25-2,528,611.44-688,467.25

Finding the Fourth Proportional to 1,685,739.25, 2,528,611.44 and 688,467.25

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Solution

The fourth proportional to 1,685,739.25, 2,528,611.44 and 688,467.25 is: 1,032,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,739.25 : 2,528,611.44 = 688,467.25 : x
  2. Step 2: Convert to fraction form
    1,685,739.25/2,528,611.44 = 688,467.25/x
  3. Step 3: Cross multiply
    1,685,739.25x = 2,528,611.44 × 688,467.25
  4. Step 4: Simplify right side
    1,685,739.25x = 1,740,866,164,415.34
  5. Step 5: Solve for x
    x = 1,740,866,164,415.34/1,685,739.25
  6. Step 6: Final answer
    x = 1,032,701.92

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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.