Home / 1,352,005.74-1,865,640.06-808,033.50

Finding the Fourth Proportional to 1,352,005.74, 1,865,640.06 and 808,033.50

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Solution

The fourth proportional to 1,352,005.74, 1,865,640.06 and 808,033.50 is: 1,115,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,005.74 : 1,865,640.06 = 808,033.50 : x
  2. Step 2: Convert to fraction form
    1,352,005.74/1,865,640.06 = 808,033.50/x
  3. Step 3: Cross multiply
    1,352,005.74x = 1,865,640.06 × 808,033.50
  4. Step 4: Simplify right side
    1,352,005.74x = 1,507,499,667,422.01
  5. Step 5: Solve for x
    x = 1,507,499,667,422.01/1,352,005.74
  6. Step 6: Final answer
    x = 1,115,009.81

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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.