Home / 1,228,741.08-1,840,678.60-579,428.24

Finding the Fourth Proportional to 1,228,741.08, 1,840,678.60 and 579,428.24

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Solution

The fourth proportional to 1,228,741.08, 1,840,678.60 and 579,428.24 is: 867,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,741.08 : 1,840,678.60 = 579,428.24 : x
  2. Step 2: Convert to fraction form
    1,228,741.08/1,840,678.60 = 579,428.24/x
  3. Step 3: Cross multiply
    1,228,741.08x = 1,840,678.60 × 579,428.24
  4. Step 4: Simplify right side
    1,228,741.08x = 1,066,541,161,603.66
  5. Step 5: Solve for x
    x = 1,066,541,161,603.66/1,228,741.08
  6. Step 6: Final answer
    x = 867,995.04

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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.