Finding the Fourth Proportional to 1,430,493.28, 1,974,102.54 and 785,926.06
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Solution
The fourth proportional to 1,430,493.28, 1,974,102.54 and 785,926.06 is: 1,084,589.95
Step by Step Solution
- Step 1: Write the proportion equation
1,430,493.28 : 1,974,102.54 = 785,926.06 : x - Step 2: Convert to fraction form
1,430,493.28/1,974,102.54 = 785,926.06/x - Step 3: Cross multiply
1,430,493.28x = 1,974,102.54 × 785,926.06 - Step 4: Simplify right side
1,430,493.28x = 1,551,498,631,298.19 - Step 5: Solve for x
x = 1,551,498,631,298.19/1,430,493.28 - Step 6: Final answer
x = 1,084,589.95
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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.