Home / 965,945.80-1,448,918.70-742,434.40

Finding the Fourth Proportional to 965,945.80, 1,448,918.70 and 742,434.40

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Solution

The fourth proportional to 965,945.80, 1,448,918.70 and 742,434.40 is: 1,113,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,945.80 : 1,448,918.70 = 742,434.40 : x
  2. Step 2: Convert to fraction form
    965,945.80/1,448,918.70 = 742,434.40/x
  3. Step 3: Cross multiply
    965,945.80x = 1,448,918.70 × 742,434.40
  4. Step 4: Simplify right side
    965,945.80x = 1,075,727,085,683.28
  5. Step 5: Solve for x
    x = 1,075,727,085,683.28/965,945.80
  6. Step 6: Final answer
    x = 1,113,651.60

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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.