Home / 1,565,920.44-2,160,933.44-921,382.38

Finding the Fourth Proportional to 1,565,920.44, 2,160,933.44 and 921,382.38

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Solution

The fourth proportional to 1,565,920.44, 2,160,933.44 and 921,382.38 is: 1,271,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,920.44 : 2,160,933.44 = 921,382.38 : x
  2. Step 2: Convert to fraction form
    1,565,920.44/2,160,933.44 = 921,382.38/x
  3. Step 3: Cross multiply
    1,565,920.44x = 2,160,933.44 × 921,382.38
  4. Step 4: Simplify right side
    1,565,920.44x = 1,991,045,995,968.79
  5. Step 5: Solve for x
    x = 1,991,045,995,968.79/1,565,920.44
  6. Step 6: Final answer
    x = 1,271,486.05

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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.