Finding the Fourth Proportional to 1,246,418, 1,720,020.36 and 702,585.68
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Solution
The fourth proportional to 1,246,418, 1,720,020.36 and 702,585.68 is: 969,547.68
Step by Step Solution
- Step 1: Write the proportion equation
1,246,418 : 1,720,020.36 = 702,585.68 : x - Step 2: Convert to fraction form
1,246,418/1,720,020.36 = 702,585.68/x - Step 3: Cross multiply
1,246,418x = 1,720,020.36 × 702,585.68 - Step 4: Simplify right side
1,246,418x = 1,208,461,674,244.45 - Step 5: Solve for x
x = 1,208,461,674,244.45/1,246,418 - Step 6: Final answer
x = 969,547.68
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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.