Home / 1,528,299.26-2,109,074.82-840,034.77

Finding the Fourth Proportional to 1,528,299.26, 2,109,074.82 and 840,034.77

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Solution

The fourth proportional to 1,528,299.26, 2,109,074.82 and 840,034.77 is: 1,159,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,299.26 : 2,109,074.82 = 840,034.77 : x
  2. Step 2: Convert to fraction form
    1,528,299.26/2,109,074.82 = 840,034.77/x
  3. Step 3: Cross multiply
    1,528,299.26x = 2,109,074.82 × 840,034.77
  4. Step 4: Simplify right side
    1,528,299.26x = 1,771,696,170,272.33
  5. Step 5: Solve for x
    x = 1,771,696,170,272.33/1,528,299.26
  6. Step 6: Final answer
    x = 1,159,259.98

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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.