Finding the Fourth Proportional to 1,409,349.74, 1,944,907.80 and 764,769.91
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Solution
The fourth proportional to 1,409,349.74, 1,944,907.80 and 764,769.91 is: 1,055,385.28
Step by Step Solution
- Step 1: Write the proportion equation
1,409,349.74 : 1,944,907.80 = 764,769.91 : x - Step 2: Convert to fraction form
1,409,349.74/1,944,907.80 = 764,769.91/x - Step 3: Cross multiply
1,409,349.74x = 1,944,907.80 × 764,769.91 - Step 4: Simplify right side
1,409,349.74x = 1,487,406,963,164.30 - Step 5: Solve for x
x = 1,487,406,963,164.30/1,409,349.74 - Step 6: Final answer
x = 1,055,385.28
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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.