Finding the Fourth Proportional to 1,249,651.61, 1,724,535.96 and 698,343.09
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Solution
The fourth proportional to 1,249,651.61, 1,724,535.96 and 698,343.09 is: 963,722.81
Step by Step Solution
- Step 1: Write the proportion equation
1,249,651.61 : 1,724,535.96 = 698,343.09 : x - Step 2: Convert to fraction form
1,249,651.61/1,724,535.96 = 698,343.09/x - Step 3: Cross multiply
1,249,651.61x = 1,724,535.96 × 698,343.09 - Step 4: Simplify right side
1,249,651.61x = 1,204,317,762,036.72 - Step 5: Solve for x
x = 1,204,317,762,036.72/1,249,651.61 - Step 6: Final answer
x = 963,722.81
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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.