Finding the Fourth Proportional to 1,249,794.72, 1,724,721.12 and 676,833.12
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Solution
The fourth proportional to 1,249,794.72, 1,724,721.12 and 676,833.12 is: 934,032.09
Step by Step Solution
- Step 1: Write the proportion equation
1,249,794.72 : 1,724,721.12 = 676,833.12 : x - Step 2: Convert to fraction form
1,249,794.72/1,724,721.12 = 676,833.12/x - Step 3: Cross multiply
1,249,794.72x = 1,724,721.12 × 676,833.12 - Step 4: Simplify right side
1,249,794.72x = 1,167,348,376,779.49 - Step 5: Solve for x
x = 1,167,348,376,779.49/1,249,794.72 - Step 6: Final answer
x = 934,032.09
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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.