Finding the Fourth Proportional to 1,249,619.48, 1,724,472.36 and 676,657.88
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Solution
The fourth proportional to 1,249,619.48, 1,724,472.36 and 676,657.88 is: 933,786.51
Step by Step Solution
- Step 1: Write the proportion equation
1,249,619.48 : 1,724,472.36 = 676,657.88 : x - Step 2: Convert to fraction form
1,249,619.48/1,724,472.36 = 676,657.88/x - Step 3: Cross multiply
1,249,619.48x = 1,724,472.36 × 676,657.88 - Step 4: Simplify right side
1,249,619.48x = 1,166,877,811,236.20 - Step 5: Solve for x
x = 1,166,877,811,236.20/1,249,619.48 - Step 6: Final answer
x = 933,786.51
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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.