Home / 1,118,012.23-1,542,823.17-621,294.43

Finding the Fourth Proportional to 1,118,012.23, 1,542,823.17 and 621,294.43

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Solution

The fourth proportional to 1,118,012.23, 1,542,823.17 and 621,294.43 is: 857,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,012.23 : 1,542,823.17 = 621,294.43 : x
  2. Step 2: Convert to fraction form
    1,118,012.23/1,542,823.17 = 621,294.43/x
  3. Step 3: Cross multiply
    1,118,012.23x = 1,542,823.17 × 621,294.43
  4. Step 4: Simplify right side
    1,118,012.23x = 958,547,441,995.94
  5. Step 5: Solve for x
    x = 958,547,441,995.94/1,118,012.23
  6. Step 6: Final answer
    x = 857,367.58

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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.