Home / 1,380,315.96-2,070,682.92-433,597.68

Finding the Fourth Proportional to 1,380,315.96, 2,070,682.92 and 433,597.68

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Solution

The fourth proportional to 1,380,315.96, 2,070,682.92 and 433,597.68 is: 650,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,315.96 : 2,070,682.92 = 433,597.68 : x
  2. Step 2: Convert to fraction form
    1,380,315.96/2,070,682.92 = 433,597.68/x
  3. Step 3: Cross multiply
    1,380,315.96x = 2,070,682.92 × 433,597.68
  4. Step 4: Simplify right side
    1,380,315.96x = 897,843,310,127.63
  5. Step 5: Solve for x
    x = 897,843,310,127.63/1,380,315.96
  6. Step 6: Final answer
    x = 650,462.17

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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.