Home / 1,421,695.42-1,961,939.54-777,118.19

Finding the Fourth Proportional to 1,421,695.42, 1,961,939.54 and 777,118.19

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Solution

The fourth proportional to 1,421,695.42, 1,961,939.54 and 777,118.19 is: 1,072,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,695.42 : 1,961,939.54 = 777,118.19 : x
  2. Step 2: Convert to fraction form
    1,421,695.42/1,961,939.54 = 777,118.19/x
  3. Step 3: Cross multiply
    1,421,695.42x = 1,961,939.54 × 777,118.19
  4. Step 4: Simplify right side
    1,421,695.42x = 1,524,658,896,347.33
  5. Step 5: Solve for x
    x = 1,524,658,896,347.33/1,421,695.42
  6. Step 6: Final answer
    x = 1,072,423.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.