Home / 752,486.63-1,128,725.81-183,870.89

Finding the Fourth Proportional to 752,486.63, 1,128,725.81 and 183,870.89

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Solution

The fourth proportional to 752,486.63, 1,128,725.81 and 183,870.89 is: 275,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,486.63 : 1,128,725.81 = 183,870.89 : x
  2. Step 2: Convert to fraction form
    752,486.63/1,128,725.81 = 183,870.89/x
  3. Step 3: Cross multiply
    752,486.63x = 1,128,725.81 × 183,870.89
  4. Step 4: Simplify right side
    752,486.63x = 207,539,814,952.52
  5. Step 5: Solve for x
    x = 207,539,814,952.52/752,486.63
  6. Step 6: Final answer
    x = 275,805.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.