Home / 1,547,211.26-2,135,117.94-858,843.30

Finding the Fourth Proportional to 1,547,211.26, 2,135,117.94 and 858,843.30

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Solution

The fourth proportional to 1,547,211.26, 2,135,117.94 and 858,843.30 is: 1,185,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,211.26 : 2,135,117.94 = 858,843.30 : x
  2. Step 2: Convert to fraction form
    1,547,211.26/2,135,117.94 = 858,843.30/x
  3. Step 3: Cross multiply
    1,547,211.26x = 2,135,117.94 × 858,843.30
  4. Step 4: Simplify right side
    1,547,211.26x = 1,833,731,737,478.80
  5. Step 5: Solve for x
    x = 1,833,731,737,478.80/1,547,211.26
  6. Step 6: Final answer
    x = 1,185,185.10

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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.