Finding the Fourth Proportional to 1,249,342.07, 1,724,092.58 and 676,382.09
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Solution
The fourth proportional to 1,249,342.07, 1,724,092.58 and 676,382.09 is: 933,407.57
Step by Step Solution
- Step 1: Write the proportion equation
1,249,342.07 : 1,724,092.58 = 676,382.09 : x - Step 2: Convert to fraction form
1,249,342.07/1,724,092.58 = 676,382.09/x - Step 3: Cross multiply
1,249,342.07x = 1,724,092.58 × 676,382.09 - Step 4: Simplify right side
1,249,342.07x = 1,166,145,348,615.08 - Step 5: Solve for x
x = 1,166,145,348,615.08/1,249,342.07 - Step 6: Final answer
x = 933,407.57
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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.