Home / 1,421,453.12-1,961,600.60-776,873.13

Finding the Fourth Proportional to 1,421,453.12, 1,961,600.60 and 776,873.13

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Solution

The fourth proportional to 1,421,453.12, 1,961,600.60 and 776,873.13 is: 1,072,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,453.12 : 1,961,600.60 = 776,873.13 : x
  2. Step 2: Convert to fraction form
    1,421,453.12/1,961,600.60 = 776,873.13/x
  3. Step 3: Cross multiply
    1,421,453.12x = 1,961,600.60 × 776,873.13
  4. Step 4: Simplify right side
    1,421,453.12x = 1,523,914,794,047.51
  5. Step 5: Solve for x
    x = 1,523,914,794,047.51/1,421,453.12
  6. Step 6: Final answer
    x = 1,072,082.35

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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.