Home / 1,500,196.25-2,070,290.27-821,118.17

Finding the Fourth Proportional to 1,500,196.25, 2,070,290.27 and 821,118.17

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Solution

The fourth proportional to 1,500,196.25, 2,070,290.27 and 821,118.17 is: 1,133,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,196.25 : 2,070,290.27 = 821,118.17 : x
  2. Step 2: Convert to fraction form
    1,500,196.25/2,070,290.27 = 821,118.17/x
  3. Step 3: Cross multiply
    1,500,196.25x = 2,070,290.27 × 821,118.17
  4. Step 4: Simplify right side
    1,500,196.25x = 1,699,952,957,871.21
  5. Step 5: Solve for x
    x = 1,699,952,957,871.21/1,500,196.25
  6. Step 6: Final answer
    x = 1,133,153.72

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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.