Home / 1,206,995.10-1,665,681.03-663,164.82

Finding the Fourth Proportional to 1,206,995.10, 1,665,681.03 and 663,164.82

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Solution

The fourth proportional to 1,206,995.10, 1,665,681.03 and 663,164.82 is: 915,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,995.10 : 1,665,681.03 = 663,164.82 : x
  2. Step 2: Convert to fraction form
    1,206,995.10/1,665,681.03 = 663,164.82/x
  3. Step 3: Cross multiply
    1,206,995.10x = 1,665,681.03 × 663,164.82
  4. Step 4: Simplify right side
    1,206,995.10x = 1,104,621,060,437.36
  5. Step 5: Solve for x
    x = 1,104,621,060,437.36/1,206,995.10
  6. Step 6: Final answer
    x = 915,182.72

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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.