Finding the Fourth Proportional to 1,249,326.15, 1,723,911.68 and 732,891.62
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Solution
The fourth proportional to 1,249,326.15, 1,723,911.68 and 732,891.62 is: 1,011,297.50
Step by Step Solution
- Step 1: Write the proportion equation
1,249,326.15 : 1,723,911.68 = 732,891.62 : x - Step 2: Convert to fraction form
1,249,326.15/1,723,911.68 = 732,891.62/x - Step 3: Cross multiply
1,249,326.15x = 1,723,911.68 × 732,891.62 - Step 4: Simplify right side
1,249,326.15x = 1,263,440,411,608.11 - Step 5: Solve for x
x = 1,263,440,411,608.11/1,249,326.15 - Step 6: Final answer
x = 1,011,297.50
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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.