Finding the Fourth Proportional to 1,054,257.84, 1,454,869.19 and 570,821.49
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Solution
The fourth proportional to 1,054,257.84, 1,454,869.19 and 570,821.49 is: 787,730.07
Step by Step Solution
- Step 1: Write the proportion equation
1,054,257.84 : 1,454,869.19 = 570,821.49 : x - Step 2: Convert to fraction form
1,054,257.84/1,454,869.19 = 570,821.49/x - Step 3: Cross multiply
1,054,257.84x = 1,454,869.19 × 570,821.49 - Step 4: Simplify right side
1,054,257.84x = 830,470,600,217.95 - Step 5: Solve for x
x = 830,470,600,217.95/1,054,257.84 - Step 6: Final answer
x = 787,730.07
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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.