Finding the Fourth Proportional to 1,402,124.70, 2,103,187.05 and 503,705.10
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Solution
The fourth proportional to 1,402,124.70, 2,103,187.05 and 503,705.10 is: 755,557.65
Step by Step Solution
- Step 1: Write the proportion equation
1,402,124.70 : 2,103,187.05 = 503,705.10 : x - Step 2: Convert to fraction form
1,402,124.70/2,103,187.05 = 503,705.10/x - Step 3: Cross multiply
1,402,124.70x = 2,103,187.05 × 503,705.10 - Step 4: Simplify right side
1,402,124.70x = 1,059,386,043,338.95 - Step 5: Solve for x
x = 1,059,386,043,338.95/1,402,124.70 - Step 6: Final answer
x = 755,557.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.