Finding the Fourth Proportional to 1,413,931.68, 1,950,482.16 and 840,564
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Solution
The fourth proportional to 1,413,931.68, 1,950,482.16 and 840,564 is: 1,159,536.28
Step by Step Solution
- Step 1: Write the proportion equation
1,413,931.68 : 1,950,482.16 = 840,564 : x - Step 2: Convert to fraction form
1,413,931.68/1,950,482.16 = 840,564/x - Step 3: Cross multiply
1,413,931.68x = 1,950,482.16 × 840,564 - Step 4: Simplify right side
1,413,931.68x = 1,639,505,086,338.24 - Step 5: Solve for x
x = 1,639,505,086,338.24/1,413,931.68 - Step 6: Final answer
x = 1,159,536.28
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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.