Finding the Fourth Proportional to 1,340,113.29, 1,849,787.33 and 857,976.99
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Solution
The fourth proportional to 1,340,113.29, 1,849,787.33 and 857,976.99 is: 1,184,284.17
Step by Step Solution
- Step 1: Write the proportion equation
1,340,113.29 : 1,849,787.33 = 857,976.99 : x - Step 2: Convert to fraction form
1,340,113.29/1,849,787.33 = 857,976.99/x - Step 3: Cross multiply
1,340,113.29x = 1,849,787.33 × 857,976.99 - Step 4: Simplify right side
1,340,113.29x = 1,587,074,961,243.65 - Step 5: Solve for x
x = 1,587,074,961,243.65/1,340,113.29 - Step 6: Final answer
x = 1,184,284.17
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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.