Home / 1,148,810.22-1,721,315.37-698,162.47

Finding the Fourth Proportional to 1,148,810.22, 1,721,315.37 and 698,162.47

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Solution

The fourth proportional to 1,148,810.22, 1,721,315.37 and 698,162.47 is: 1,046,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,810.22 : 1,721,315.37 = 698,162.47 : x
  2. Step 2: Convert to fraction form
    1,148,810.22/1,721,315.37 = 698,162.47/x
  3. Step 3: Cross multiply
    1,148,810.22x = 1,721,315.37 × 698,162.47
  4. Step 4: Simplify right side
    1,148,810.22x = 1,201,757,790,368.16
  5. Step 5: Solve for x
    x = 1,201,757,790,368.16/1,148,810.22
  6. Step 6: Final answer
    x = 1,046,089.05

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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.