Finding the Fourth Proportional to 1,263,547.68, 1,743,668.64 and 712,259.52
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Solution
The fourth proportional to 1,263,547.68, 1,743,668.64 and 712,259.52 is: 982,902.83
Step by Step Solution
- Step 1: Write the proportion equation
1,263,547.68 : 1,743,668.64 = 712,259.52 : x - Step 2: Convert to fraction form
1,263,547.68/1,743,668.64 = 712,259.52/x - Step 3: Cross multiply
1,263,547.68x = 1,743,668.64 × 712,259.52 - Step 4: Simplify right side
1,263,547.68x = 1,241,944,588,565.45 - Step 5: Solve for x
x = 1,241,944,588,565.45/1,263,547.68 - Step 6: Final answer
x = 982,902.83
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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.