Home / 1,415,908.94-1,953,936.69-771,315.29

Finding the Fourth Proportional to 1,415,908.94, 1,953,936.69 and 771,315.29

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Solution

The fourth proportional to 1,415,908.94, 1,953,936.69 and 771,315.29 is: 1,064,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,908.94 : 1,953,936.69 = 771,315.29 : x
  2. Step 2: Convert to fraction form
    1,415,908.94/1,953,936.69 = 771,315.29/x
  3. Step 3: Cross multiply
    1,415,908.94x = 1,953,936.69 × 771,315.29
  4. Step 4: Simplify right side
    1,415,908.94x = 1,507,101,234,919.31
  5. Step 5: Solve for x
    x = 1,507,101,234,919.31/1,415,908.94
  6. Step 6: Final answer
    x = 1,064,405.48

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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.