Finding the Fourth Proportional to 1,348,634.79, 2,023,947.68 and 638,661.69
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Solution
The fourth proportional to 1,348,634.79, 2,023,947.68 and 638,661.69 is: 958,463.96
Step by Step Solution
- Step 1: Write the proportion equation
1,348,634.79 : 2,023,947.68 = 638,661.69 : x - Step 2: Convert to fraction form
1,348,634.79/2,023,947.68 = 638,661.69/x - Step 3: Cross multiply
1,348,634.79x = 2,023,947.68 × 638,661.69 - Step 4: Simplify right side
1,348,634.79x = 1,292,617,842,587.07 - Step 5: Solve for x
x = 1,292,617,842,587.07/1,348,634.79 - Step 6: Final answer
x = 958,463.96
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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.