Finding the Fourth Proportional to 1,420,701.62, 1,960,569.55 and 776,132.58
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Solution
The fourth proportional to 1,420,701.62, 1,960,569.55 and 776,132.58 is: 1,071,063.68
Step by Step Solution
- Step 1: Write the proportion equation
1,420,701.62 : 1,960,569.55 = 776,132.58 : x - Step 2: Convert to fraction form
1,420,701.62/1,960,569.55 = 776,132.58/x - Step 3: Cross multiply
1,420,701.62x = 1,960,569.55 × 776,132.58 - Step 4: Simplify right side
1,420,701.62x = 1,521,661,903,110.94 - Step 5: Solve for x
x = 1,521,661,903,110.94/1,420,701.62 - Step 6: Final answer
x = 1,071,063.68
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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.