Finding the Fourth Proportional to 1,054,624.91, 1,455,377.79 and 589,478.17
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Solution
The fourth proportional to 1,054,624.91, 1,455,377.79 and 589,478.17 is: 813,477.32
Step by Step Solution
- Step 1: Write the proportion equation
1,054,624.91 : 1,455,377.79 = 589,478.17 : x - Step 2: Convert to fraction form
1,054,624.91/1,455,377.79 = 589,478.17/x - Step 3: Cross multiply
1,054,624.91x = 1,455,377.79 × 589,478.17 - Step 4: Simplify right side
1,054,624.91x = 857,913,439,033.74 - Step 5: Solve for x
x = 857,913,439,033.74/1,054,624.91 - Step 6: Final answer
x = 813,477.32
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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.