Finding the Fourth Proportional to 1,346,844.21, 2,020,975.68 and 778,624.45
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Solution
The fourth proportional to 1,346,844.21, 2,020,975.68 and 778,624.45 is: 1,168,346.77
Step by Step Solution
- Step 1: Write the proportion equation
1,346,844.21 : 2,020,975.68 = 778,624.45 : x - Step 2: Convert to fraction form
1,346,844.21/2,020,975.68 = 778,624.45/x - Step 3: Cross multiply
1,346,844.21x = 2,020,975.68 × 778,624.45 - Step 4: Simplify right side
1,346,844.21x = 1,573,581,075,170.78 - Step 5: Solve for x
x = 1,573,581,075,170.78/1,346,844.21 - Step 6: Final answer
x = 1,168,346.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.