Home / 1,528,090.80-2,292,136.20-1,375,875.60

Finding the Fourth Proportional to 1,528,090.80, 2,292,136.20 and 1,375,875.60

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Solution

The fourth proportional to 1,528,090.80, 2,292,136.20 and 1,375,875.60 is: 2,063,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,090.80 : 2,292,136.20 = 1,375,875.60 : x
  2. Step 2: Convert to fraction form
    1,528,090.80/2,292,136.20 = 1,375,875.60/x
  3. Step 3: Cross multiply
    1,528,090.80x = 2,292,136.20 × 1,375,875.60
  4. Step 4: Simplify right side
    1,528,090.80x = 3,153,694,269,456.72
  5. Step 5: Solve for x
    x = 3,153,694,269,456.72/1,528,090.80
  6. Step 6: Final answer
    x = 2,063,813.40

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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.