Finding the Fourth Proportional to 1,430,593.10, 1,974,214.58 and 786,027.50
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Solution
The fourth proportional to 1,430,593.10, 1,974,214.58 and 786,027.50 is: 1,084,715.81
Step by Step Solution
- Step 1: Write the proportion equation
1,430,593.10 : 1,974,214.58 = 786,027.50 : x - Step 2: Convert to fraction form
1,430,593.10/1,974,214.58 = 786,027.50/x - Step 3: Cross multiply
1,430,593.10x = 1,974,214.58 × 786,027.50 - Step 4: Simplify right side
1,430,593.10x = 1,551,786,950,780.95 - Step 5: Solve for x
x = 1,551,786,950,780.95/1,430,593.10 - Step 6: Final answer
x = 1,084,715.81
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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.