Home / 1,015,209.45-1,401,421.26-684,137.98

Finding the Fourth Proportional to 1,015,209.45, 1,401,421.26 and 684,137.98

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Solution

The fourth proportional to 1,015,209.45, 1,401,421.26 and 684,137.98 is: 944,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,209.45 : 1,401,421.26 = 684,137.98 : x
  2. Step 2: Convert to fraction form
    1,015,209.45/1,401,421.26 = 684,137.98/x
  3. Step 3: Cross multiply
    1,015,209.45x = 1,401,421.26 × 684,137.98
  4. Step 4: Simplify right side
    1,015,209.45x = 958,765,514,262.75
  5. Step 5: Solve for x
    x = 958,765,514,262.75/1,015,209.45
  6. Step 6: Final answer
    x = 944,401.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.