Home / 1,675,436.30-2,312,112.15-911,495.33

Finding the Fourth Proportional to 1,675,436.30, 2,312,112.15 and 911,495.33

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Solution

The fourth proportional to 1,675,436.30, 2,312,112.15 and 911,495.33 is: 1,257,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,436.30 : 2,312,112.15 = 911,495.33 : x
  2. Step 2: Convert to fraction form
    1,675,436.30/2,312,112.15 = 911,495.33/x
  3. Step 3: Cross multiply
    1,675,436.30x = 2,312,112.15 × 911,495.33
  4. Step 4: Simplify right side
    1,675,436.30x = 2,107,479,424,271.12
  5. Step 5: Solve for x
    x = 2,107,479,424,271.12/1,675,436.30
  6. Step 6: Final answer
    x = 1,257,869.03

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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.