Finding the Fourth Proportional to 1,071,653.19, 1,478,900.49 and 588,263.29
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Solution
The fourth proportional to 1,071,653.19, 1,478,900.49 and 588,263.29 is: 811,813.82
Step by Step Solution
- Step 1: Write the proportion equation
1,071,653.19 : 1,478,900.49 = 588,263.29 : x - Step 2: Convert to fraction form
1,071,653.19/1,478,900.49 = 588,263.29/x - Step 3: Cross multiply
1,071,653.19x = 1,478,900.49 × 588,263.29 - Step 4: Simplify right side
1,071,653.19x = 869,982,864,888.70 - Step 5: Solve for x
x = 869,982,864,888.70/1,071,653.19 - Step 6: Final answer
x = 811,813.82
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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.