Home / 1,138,673.48-1,707,452.13-380,254.28

Finding the Fourth Proportional to 1,138,673.48, 1,707,452.13 and 380,254.28

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Solution

The fourth proportional to 1,138,673.48, 1,707,452.13 and 380,254.28 is: 570,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,673.48 : 1,707,452.13 = 380,254.28 : x
  2. Step 2: Convert to fraction form
    1,138,673.48/1,707,452.13 = 380,254.28/x
  3. Step 3: Cross multiply
    1,138,673.48x = 1,707,452.13 × 380,254.28
  4. Step 4: Simplify right side
    1,138,673.48x = 649,265,980,327.62
  5. Step 5: Solve for x
    x = 649,265,980,327.62/1,138,673.48
  6. Step 6: Final answer
    x = 570,195.05

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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.