Home / 1,421,295.96-1,961,393.52-776,716.24

Finding the Fourth Proportional to 1,421,295.96, 1,961,393.52 and 776,716.24

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Solution

The fourth proportional to 1,421,295.96, 1,961,393.52 and 776,716.24 is: 1,071,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,295.96 : 1,961,393.52 = 776,716.24 : x
  2. Step 2: Convert to fraction form
    1,421,295.96/1,961,393.52 = 776,716.24/x
  3. Step 3: Cross multiply
    1,421,295.96x = 1,961,393.52 × 776,716.24
  4. Step 4: Simplify right side
    1,421,295.96x = 1,523,446,200,014.77
  5. Step 5: Solve for x
    x = 1,523,446,200,014.77/1,421,295.96
  6. Step 6: Final answer
    x = 1,071,871.20

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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.