Finding the Fourth Proportional to 1,358,488.79, 1,874,733.94 and 746,698.12
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Solution
The fourth proportional to 1,358,488.79, 1,874,733.94 and 746,698.12 is: 1,030,454.07
Step by Step Solution
- Step 1: Write the proportion equation
1,358,488.79 : 1,874,733.94 = 746,698.12 : x - Step 2: Convert to fraction form
1,358,488.79/1,874,733.94 = 746,698.12/x - Step 3: Cross multiply
1,358,488.79x = 1,874,733.94 × 746,698.12 - Step 4: Simplify right side
1,358,488.79x = 1,399,860,306,631.45 - Step 5: Solve for x
x = 1,399,860,306,631.45/1,358,488.79 - Step 6: Final answer
x = 1,030,454.07
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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.