Home / 1,005,200.75-1,507,798.08-406,154.85

Finding the Fourth Proportional to 1,005,200.75, 1,507,798.08 and 406,154.85

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Solution

The fourth proportional to 1,005,200.75, 1,507,798.08 and 406,154.85 is: 609,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,200.75 : 1,507,798.08 = 406,154.85 : x
  2. Step 2: Convert to fraction form
    1,005,200.75/1,507,798.08 = 406,154.85/x
  3. Step 3: Cross multiply
    1,005,200.75x = 1,507,798.08 × 406,154.85
  4. Step 4: Simplify right side
    1,005,200.75x = 612,399,503,012.69
  5. Step 5: Solve for x
    x = 612,399,503,012.69/1,005,200.75
  6. Step 6: Final answer
    x = 609,231.04

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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.