Home / 1,556,290.48-2,147,682.69-858,555.47

Finding the Fourth Proportional to 1,556,290.48, 2,147,682.69 and 858,555.47

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Solution

The fourth proportional to 1,556,290.48, 2,147,682.69 and 858,555.47 is: 1,184,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,290.48 : 2,147,682.69 = 858,555.47 : x
  2. Step 2: Convert to fraction form
    1,556,290.48/2,147,682.69 = 858,555.47/x
  3. Step 3: Cross multiply
    1,556,290.48x = 2,147,682.69 × 858,555.47
  4. Step 4: Simplify right side
    1,556,290.48x = 1,843,904,717,031.04
  5. Step 5: Solve for x
    x = 1,843,904,717,031.04/1,556,290.48
  6. Step 6: Final answer
    x = 1,184,807.55

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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.