Home / 1,090,932.32-1,636,656.08-342,978.32

Finding the Fourth Proportional to 1,090,932.32, 1,636,656.08 and 342,978.32

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Solution

The fourth proportional to 1,090,932.32, 1,636,656.08 and 342,978.32 is: 514,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,932.32 : 1,636,656.08 = 342,978.32 : x
  2. Step 2: Convert to fraction form
    1,090,932.32/1,636,656.08 = 342,978.32/x
  3. Step 3: Cross multiply
    1,090,932.32x = 1,636,656.08 × 342,978.32
  4. Step 4: Simplify right side
    1,090,932.32x = 561,337,555,112.93
  5. Step 5: Solve for x
    x = 561,337,555,112.93/1,090,932.32
  6. Step 6: Final answer
    x = 514,548.47

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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.