Home / 1,090,009.88-1,634,489.88-380,022.20

Finding the Fourth Proportional to 1,090,009.88, 1,634,489.88 and 380,022.20

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Solution

The fourth proportional to 1,090,009.88, 1,634,489.88 and 380,022.20 is: 569,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,009.88 : 1,634,489.88 = 380,022.20 : x
  2. Step 2: Convert to fraction form
    1,090,009.88/1,634,489.88 = 380,022.20/x
  3. Step 3: Cross multiply
    1,090,009.88x = 1,634,489.88 × 380,022.20
  4. Step 4: Simplify right side
    1,090,009.88x = 621,142,440,075.34
  5. Step 5: Solve for x
    x = 621,142,440,075.34/1,090,009.88
  6. Step 6: Final answer
    x = 569,850.28

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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.