Home / 1,147,619.42-1,721,121.59-348,686.45

Finding the Fourth Proportional to 1,147,619.42, 1,721,121.59 and 348,686.45

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Solution

The fourth proportional to 1,147,619.42, 1,721,121.59 and 348,686.45 is: 522,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,619.42 : 1,721,121.59 = 348,686.45 : x
  2. Step 2: Convert to fraction form
    1,147,619.42/1,721,121.59 = 348,686.45/x
  3. Step 3: Cross multiply
    1,147,619.42x = 1,721,121.59 × 348,686.45
  4. Step 4: Simplify right side
    1,147,619.42x = 600,131,779,922.64
  5. Step 5: Solve for x
    x = 600,131,779,922.64/1,147,619.42
  6. Step 6: Final answer
    x = 522,936.24

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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.