Finding the Fourth Proportional to 1,283,426.28, 1,771,128.80 and 702,687.06
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Solution
The fourth proportional to 1,283,426.28, 1,771,128.80 and 702,687.06 is: 969,708.43
Step by Step Solution
- Step 1: Write the proportion equation
1,283,426.28 : 1,771,128.80 = 702,687.06 : x - Step 2: Convert to fraction form
1,283,426.28/1,771,128.80 = 702,687.06/x - Step 3: Cross multiply
1,283,426.28x = 1,771,128.80 × 702,687.06 - Step 4: Simplify right side
1,283,426.28x = 1,244,549,290,267.71 - Step 5: Solve for x
x = 1,244,549,290,267.71/1,283,426.28 - Step 6: Final answer
x = 969,708.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.