Home / 1,090,485.60-1,635,801.30-370,816.80

Finding the Fourth Proportional to 1,090,485.60, 1,635,801.30 and 370,816.80

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Solution

The fourth proportional to 1,090,485.60, 1,635,801.30 and 370,816.80 is: 556,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,485.60 : 1,635,801.30 = 370,816.80 : x
  2. Step 2: Convert to fraction form
    1,090,485.60/1,635,801.30 = 370,816.80/x
  3. Step 3: Cross multiply
    1,090,485.60x = 1,635,801.30 × 370,816.80
  4. Step 4: Simplify right side
    1,090,485.60x = 606,582,603,501.84
  5. Step 5: Solve for x
    x = 606,582,603,501.84/1,090,485.60
  6. Step 6: Final answer
    x = 556,249.99

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1.5x scale

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.