Home / 1,547,223.96-2,135,137.14-858,855.72

Finding the Fourth Proportional to 1,547,223.96, 2,135,137.14 and 858,855.72

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Solution

The fourth proportional to 1,547,223.96, 2,135,137.14 and 858,855.72 is: 1,185,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,223.96 : 2,135,137.14 = 858,855.72 : x
  2. Step 2: Convert to fraction form
    1,547,223.96/2,135,137.14 = 858,855.72/x
  3. Step 3: Cross multiply
    1,547,223.96x = 2,135,137.14 × 858,855.72
  4. Step 4: Simplify right side
    1,547,223.96x = 1,833,774,745,673.44
  5. Step 5: Solve for x
    x = 1,833,774,745,673.44/1,547,223.96
  6. Step 6: Final answer
    x = 1,185,203.17

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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.