Home / 1,080,534.32-1,620,870.60-415,686.32

Finding the Fourth Proportional to 1,080,534.32, 1,620,870.60 and 415,686.32

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Solution

The fourth proportional to 1,080,534.32, 1,620,870.60 and 415,686.32 is: 623,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,534.32 : 1,620,870.60 = 415,686.32 : x
  2. Step 2: Convert to fraction form
    1,080,534.32/1,620,870.60 = 415,686.32/x
  3. Step 3: Cross multiply
    1,080,534.32x = 1,620,870.60 × 415,686.32
  4. Step 4: Simplify right side
    1,080,534.32x = 673,773,734,910.19
  5. Step 5: Solve for x
    x = 673,773,734,910.19/1,080,534.32
  6. Step 6: Final answer
    x = 623,556.07

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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.