Finding the Fourth Proportional to 1,249,212.72, 1,723,911.57 and 676,252.74
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Solution
The fourth proportional to 1,249,212.72, 1,723,911.57 and 676,252.74 is: 933,227.71
Step by Step Solution
- Step 1: Write the proportion equation
1,249,212.72 : 1,723,911.57 = 676,252.74 : x - Step 2: Convert to fraction form
1,249,212.72/1,723,911.57 = 676,252.74/x - Step 3: Cross multiply
1,249,212.72x = 1,723,911.57 × 676,252.74 - Step 4: Simplify right side
1,249,212.72x = 1,165,799,922,730.20 - Step 5: Solve for x
x = 1,165,799,922,730.20/1,249,212.72 - Step 6: Final answer
x = 933,227.71
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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.