Finding the Fourth Proportional to 1,358,465.68, 1,874,724.84 and 746,607.40
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Solution
The fourth proportional to 1,358,465.68, 1,874,724.84 and 746,607.40 is: 1,030,341.41
Step by Step Solution
- Step 1: Write the proportion equation
1,358,465.68 : 1,874,724.84 = 746,607.40 : x - Step 2: Convert to fraction form
1,358,465.68/1,874,724.84 = 746,607.40/x - Step 3: Cross multiply
1,358,465.68x = 1,874,724.84 × 746,607.40 - Step 4: Simplify right side
1,358,465.68x = 1,399,683,438,507.82 - Step 5: Solve for x
x = 1,399,683,438,507.82/1,358,465.68 - Step 6: Final answer
x = 1,030,341.41
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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.