Home / 1,588,054.85-2,191,477.21-890,289.43

Finding the Fourth Proportional to 1,588,054.85, 2,191,477.21 and 890,289.43

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Solution

The fourth proportional to 1,588,054.85, 2,191,477.21 and 890,289.43 is: 1,228,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,054.85 : 2,191,477.21 = 890,289.43 : x
  2. Step 2: Convert to fraction form
    1,588,054.85/2,191,477.21 = 890,289.43/x
  3. Step 3: Cross multiply
    1,588,054.85x = 2,191,477.21 × 890,289.43
  4. Step 4: Simplify right side
    1,588,054.85x = 1,951,048,980,740.06
  5. Step 5: Solve for x
    x = 1,951,048,980,740.06/1,588,054.85
  6. Step 6: Final answer
    x = 1,228,577.83

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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.