Home / 1,421,468.65-1,961,597.55-776,893.42

Finding the Fourth Proportional to 1,421,468.65, 1,961,597.55 and 776,893.42

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Solution

The fourth proportional to 1,421,468.65, 1,961,597.55 and 776,893.42 is: 1,072,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,468.65 : 1,961,597.55 = 776,893.42 : x
  2. Step 2: Convert to fraction form
    1,421,468.65/1,961,597.55 = 776,893.42/x
  3. Step 3: Cross multiply
    1,421,468.65x = 1,961,597.55 × 776,893.42
  4. Step 4: Simplify right side
    1,421,468.65x = 1,523,952,229,283.12
  5. Step 5: Solve for x
    x = 1,523,952,229,283.12/1,421,468.65
  6. Step 6: Final answer
    x = 1,072,096.97

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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.