Finding the Fourth Proportional to 1,291,860.97, 1,782,652.12 and 748,033.65
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Solution
The fourth proportional to 1,291,860.97, 1,782,652.12 and 748,033.65 is: 1,032,219.26
Step by Step Solution
- Step 1: Write the proportion equation
1,291,860.97 : 1,782,652.12 = 748,033.65 : x - Step 2: Convert to fraction form
1,291,860.97/1,782,652.12 = 748,033.65/x - Step 3: Cross multiply
1,291,860.97x = 1,782,652.12 × 748,033.65 - Step 4: Simplify right side
1,291,860.97x = 1,333,483,770,133.75 - Step 5: Solve for x
x = 1,333,483,770,133.75/1,291,860.97 - Step 6: Final answer
x = 1,032,219.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.