Finding the Fourth Proportional to 1,430,752.58, 1,974,438.10 and 786,214.29
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Solution
The fourth proportional to 1,430,752.58, 1,974,438.10 and 786,214.29 is: 1,084,975.47
Step by Step Solution
- Step 1: Write the proportion equation
1,430,752.58 : 1,974,438.10 = 786,214.29 : x - Step 2: Convert to fraction form
1,430,752.58/1,974,438.10 = 786,214.29/x - Step 3: Cross multiply
1,430,752.58x = 1,974,438.10 × 786,214.29 - Step 4: Simplify right side
1,430,752.58x = 1,552,331,446,974.91 - Step 5: Solve for x
x = 1,552,331,446,974.91/1,430,752.58 - Step 6: Final answer
x = 1,084,975.47
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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.