Finding the Fourth Proportional to 1,354,935.28, 1,869,675.96 and 782,159.98
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Solution
The fourth proportional to 1,354,935.28, 1,869,675.96 and 782,159.98 is: 1,079,303.00
Step by Step Solution
- Step 1: Write the proportion equation
1,354,935.28 : 1,869,675.96 = 782,159.98 : x - Step 2: Convert to fraction form
1,354,935.28/1,869,675.96 = 782,159.98/x - Step 3: Cross multiply
1,354,935.28x = 1,869,675.96 × 782,159.98 - Step 4: Simplify right side
1,354,935.28x = 1,462,385,711,480.08 - Step 5: Solve for x
x = 1,462,385,711,480.08/1,354,935.28 - Step 6: Final answer
x = 1,079,303.00
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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.