Home / 1,384,013.32-1,909,995.06-874,529.80

Finding the Fourth Proportional to 1,384,013.32, 1,909,995.06 and 874,529.80

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Solution

The fourth proportional to 1,384,013.32, 1,909,995.06 and 874,529.80 is: 1,206,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,013.32 : 1,909,995.06 = 874,529.80 : x
  2. Step 2: Convert to fraction form
    1,384,013.32/1,909,995.06 = 874,529.80/x
  3. Step 3: Cross multiply
    1,384,013.32x = 1,909,995.06 × 874,529.80
  4. Step 4: Simplify right side
    1,384,013.32x = 1,670,347,597,822.79
  5. Step 5: Solve for x
    x = 1,670,347,597,822.79/1,384,013.32
  6. Step 6: Final answer
    x = 1,206,886.94

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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.