Home / 1,128,971.84-1,557,924.26-670,106.46

Finding the Fourth Proportional to 1,128,971.84, 1,557,924.26 and 670,106.46

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Solution

The fourth proportional to 1,128,971.84, 1,557,924.26 and 670,106.46 is: 924,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,971.84 : 1,557,924.26 = 670,106.46 : x
  2. Step 2: Convert to fraction form
    1,128,971.84/1,557,924.26 = 670,106.46/x
  3. Step 3: Cross multiply
    1,128,971.84x = 1,557,924.26 × 670,106.46
  4. Step 4: Simplify right side
    1,128,971.84x = 1,043,975,110,816.72
  5. Step 5: Solve for x
    x = 1,043,975,110,816.72/1,128,971.84
  6. Step 6: Final answer
    x = 924,713.15

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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.