Finding the Fourth Proportional to 1,340,112.29, 1,849,785.95 and 857,975.99
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Solution
The fourth proportional to 1,340,112.29, 1,849,785.95 and 857,975.99 is: 1,184,282.79
Step by Step Solution
- Step 1: Write the proportion equation
1,340,112.29 : 1,849,785.95 = 857,975.99 : x - Step 2: Convert to fraction form
1,340,112.29/1,849,785.95 = 857,975.99/x - Step 3: Cross multiply
1,340,112.29x = 1,849,785.95 × 857,975.99 - Step 4: Simplify right side
1,340,112.29x = 1,587,071,927,449.46 - Step 5: Solve for x
x = 1,587,071,927,449.46/1,340,112.29 - Step 6: Final answer
x = 1,184,282.79
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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.