Home / 1,421,461.44-1,961,587.67-776,886.26

Finding the Fourth Proportional to 1,421,461.44, 1,961,587.67 and 776,886.26

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Solution

The fourth proportional to 1,421,461.44, 1,961,587.67 and 776,886.26 is: 1,072,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,461.44 : 1,961,587.67 = 776,886.26 : x
  2. Step 2: Convert to fraction form
    1,421,461.44/1,961,587.67 = 776,886.26/x
  3. Step 3: Cross multiply
    1,421,461.44x = 1,961,587.67 × 776,886.26
  4. Step 4: Simplify right side
    1,421,461.44x = 1,523,930,494,916.04
  5. Step 5: Solve for x
    x = 1,523,930,494,916.04/1,421,461.44
  6. Step 6: Final answer
    x = 1,072,087.12

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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.