Home / 1,395,278.46-1,925,416.98-783,355.86

Finding the Fourth Proportional to 1,395,278.46, 1,925,416.98 and 783,355.86

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Solution

The fourth proportional to 1,395,278.46, 1,925,416.98 and 783,355.86 is: 1,080,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,278.46 : 1,925,416.98 = 783,355.86 : x
  2. Step 2: Convert to fraction form
    1,395,278.46/1,925,416.98 = 783,355.86/x
  3. Step 3: Cross multiply
    1,395,278.46x = 1,925,416.98 × 783,355.86
  4. Step 4: Simplify right side
    1,395,278.46x = 1,508,286,674,226.50
  5. Step 5: Solve for x
    x = 1,508,286,674,226.50/1,395,278.46
  6. Step 6: Final answer
    x = 1,080,993.31

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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.