Home / 909,975.60-1,364,963.40-626,540.40

Finding the Fourth Proportional to 909,975.60, 1,364,963.40 and 626,540.40

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Solution

The fourth proportional to 909,975.60, 1,364,963.40 and 626,540.40 is: 939,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,975.60 : 1,364,963.40 = 626,540.40 : x
  2. Step 2: Convert to fraction form
    909,975.60/1,364,963.40 = 626,540.40/x
  3. Step 3: Cross multiply
    909,975.60x = 1,364,963.40 × 626,540.40
  4. Step 4: Simplify right side
    909,975.60x = 855,204,714,621.36
  5. Step 5: Solve for x
    x = 855,204,714,621.36/909,975.60
  6. Step 6: Final answer
    x = 939,810.60

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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.