Finding the Fourth Proportional to 1,249,687.68, 1,724,569.92 and 676,728.48
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Solution
The fourth proportional to 1,249,687.68, 1,724,569.92 and 676,728.48 is: 933,885.80
Step by Step Solution
- Step 1: Write the proportion equation
1,249,687.68 : 1,724,569.92 = 676,728.48 : x - Step 2: Convert to fraction form
1,249,687.68/1,724,569.92 = 676,728.48/x - Step 3: Cross multiply
1,249,687.68x = 1,724,569.92 × 676,728.48 - Step 4: Simplify right side
1,249,687.68x = 1,167,065,580,615.32 - Step 5: Solve for x
x = 1,167,065,580,615.32/1,249,687.68 - Step 6: Final answer
x = 933,885.80
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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.