Finding the Fourth Proportional to 1,259,876.84, 1,739,337.54 and 873,254.12
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Solution
The fourth proportional to 1,259,876.84, 1,739,337.54 and 873,254.12 is: 1,205,581.07
Step by Step Solution
- Step 1: Write the proportion equation
1,259,876.84 : 1,739,337.54 = 873,254.12 : x - Step 2: Convert to fraction form
1,259,876.84/1,739,337.54 = 873,254.12/x - Step 3: Cross multiply
1,259,876.84x = 1,739,337.54 × 873,254.12 - Step 4: Simplify right side
1,259,876.84x = 1,518,883,672,875.66 - Step 5: Solve for x
x = 1,518,883,672,875.66/1,259,876.84 - Step 6: Final answer
x = 1,205,581.07
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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.