Finding the Fourth Proportional to 1,310,386.41, 1,965,590.55 and 363,830.94
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Solution
The fourth proportional to 1,310,386.41, 1,965,590.55 and 363,830.94 is: 545,749.45
Step by Step Solution
- Step 1: Write the proportion equation
1,310,386.41 : 1,965,590.55 = 363,830.94 : x - Step 2: Convert to fraction form
1,310,386.41/1,965,590.55 = 363,830.94/x - Step 3: Cross multiply
1,310,386.41x = 1,965,590.55 × 363,830.94 - Step 4: Simplify right side
1,310,386.41x = 715,142,657,461.62 - Step 5: Solve for x
x = 715,142,657,461.62/1,310,386.41 - Step 6: Final answer
x = 545,749.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.