Finding the Fourth Proportional to 1,281,501.19, 1,768,452.33 and 700,726.26
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Solution
The fourth proportional to 1,281,501.19, 1,768,452.33 and 700,726.26 is: 966,991.68
Step by Step Solution
- Step 1: Write the proportion equation
1,281,501.19 : 1,768,452.33 = 700,726.26 : x - Step 2: Convert to fraction form
1,281,501.19/1,768,452.33 = 700,726.26/x - Step 3: Cross multiply
1,281,501.19x = 1,768,452.33 × 700,726.26 - Step 4: Simplify right side
1,281,501.19x = 1,239,200,987,189.19 - Step 5: Solve for x
x = 1,239,200,987,189.19/1,281,501.19 - Step 6: Final answer
x = 966,991.68
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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.