Home / 1,403,120.08-2,104,025.78-729,020.16

Finding the Fourth Proportional to 1,403,120.08, 2,104,025.78 and 729,020.16

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Solution

The fourth proportional to 1,403,120.08, 2,104,025.78 and 729,020.16 is: 1,093,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,120.08 : 2,104,025.78 = 729,020.16 : x
  2. Step 2: Convert to fraction form
    1,403,120.08/2,104,025.78 = 729,020.16/x
  3. Step 3: Cross multiply
    1,403,120.08x = 2,104,025.78 × 729,020.16
  4. Step 4: Simplify right side
    1,403,120.08x = 1,533,877,210,779.72
  5. Step 5: Solve for x
    x = 1,533,877,210,779.72/1,403,120.08
  6. Step 6: Final answer
    x = 1,093,190.26

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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.