Finding the Fourth Proportional to 1,430,750.96, 1,974,484.80 and 786,194.28
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Solution
The fourth proportional to 1,430,750.96, 1,974,484.80 and 786,194.28 is: 1,084,974.74
Step by Step Solution
- Step 1: Write the proportion equation
1,430,750.96 : 1,974,484.80 = 786,194.28 : x - Step 2: Convert to fraction form
1,430,750.96/1,974,484.80 = 786,194.28/x - Step 3: Cross multiply
1,430,750.96x = 1,974,484.80 × 786,194.28 - Step 4: Simplify right side
1,430,750.96x = 1,552,328,655,706.94 - Step 5: Solve for x
x = 1,552,328,655,706.94/1,430,750.96 - Step 6: Final answer
x = 1,084,974.74
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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.