Home / 939,975.26-1,296,802.55-531,983.60

Finding the Fourth Proportional to 939,975.26, 1,296,802.55 and 531,983.60

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Solution

The fourth proportional to 939,975.26, 1,296,802.55 and 531,983.60 is: 733,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,975.26 : 1,296,802.55 = 531,983.60 : x
  2. Step 2: Convert to fraction form
    939,975.26/1,296,802.55 = 531,983.60/x
  3. Step 3: Cross multiply
    939,975.26x = 1,296,802.55 × 531,983.60
  4. Step 4: Simplify right side
    939,975.26x = 689,877,683,884.13
  5. Step 5: Solve for x
    x = 689,877,683,884.13/939,975.26
  6. Step 6: Final answer
    x = 733,931.74

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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.