Home / 1,020,059.50-1,530,090.30-380,353.48

Finding the Fourth Proportional to 1,020,059.50, 1,530,090.30 and 380,353.48

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Solution

The fourth proportional to 1,020,059.50, 1,530,090.30 and 380,353.48 is: 570,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,059.50 : 1,530,090.30 = 380,353.48 : x
  2. Step 2: Convert to fraction form
    1,020,059.50/1,530,090.30 = 380,353.48/x
  3. Step 3: Cross multiply
    1,020,059.50x = 1,530,090.30 × 380,353.48
  4. Step 4: Simplify right side
    1,020,059.50x = 581,975,170,319.24
  5. Step 5: Solve for x
    x = 581,975,170,319.24/1,020,059.50
  6. Step 6: Final answer
    x = 570,530.61

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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.