Home / 1,337,126.22-2,005,474.98-426,190.32

Finding the Fourth Proportional to 1,337,126.22, 2,005,474.98 and 426,190.32

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Solution

The fourth proportional to 1,337,126.22, 2,005,474.98 and 426,190.32 is: 639,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,126.22 : 2,005,474.98 = 426,190.32 : x
  2. Step 2: Convert to fraction form
    1,337,126.22/2,005,474.98 = 426,190.32/x
  3. Step 3: Cross multiply
    1,337,126.22x = 2,005,474.98 × 426,190.32
  4. Step 4: Simplify right side
    1,337,126.22x = 854,714,023,478.19
  5. Step 5: Solve for x
    x = 854,714,023,478.19/1,337,126.22
  6. Step 6: Final answer
    x = 639,217.16

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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.