Home / 1,421,796.63-1,962,079.16-777,219.51

Finding the Fourth Proportional to 1,421,796.63, 1,962,079.16 and 777,219.51

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Solution

The fourth proportional to 1,421,796.63, 1,962,079.16 and 777,219.51 is: 1,072,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,796.63 : 1,962,079.16 = 777,219.51 : x
  2. Step 2: Convert to fraction form
    1,421,796.63/1,962,079.16 = 777,219.51/x
  3. Step 3: Cross multiply
    1,421,796.63x = 1,962,079.16 × 777,219.51
  4. Step 4: Simplify right side
    1,421,796.63x = 1,524,966,199,430.31
  5. Step 5: Solve for x
    x = 1,524,966,199,430.31/1,421,796.63
  6. Step 6: Final answer
    x = 1,072,562.82

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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.