Home / 1,045,145.64-1,567,550.54-286,809.96

Finding the Fourth Proportional to 1,045,145.64, 1,567,550.54 and 286,809.96

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Solution

The fourth proportional to 1,045,145.64, 1,567,550.54 and 286,809.96 is: 430,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,145.64 : 1,567,550.54 = 286,809.96 : x
  2. Step 2: Convert to fraction form
    1,045,145.64/1,567,550.54 = 286,809.96/x
  3. Step 3: Cross multiply
    1,045,145.64x = 1,567,550.54 × 286,809.96
  4. Step 4: Simplify right side
    1,045,145.64x = 449,589,107,675.38
  5. Step 5: Solve for x
    x = 449,589,107,675.38/1,045,145.64
  6. Step 6: Final answer
    x = 430,168.86

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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.