Finding the Fourth Proportional to 1,078,133.01, 1,488,301.79 and 696,345.99
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Solution
The fourth proportional to 1,078,133.01, 1,488,301.79 and 696,345.99 is: 961,266.35
Step by Step Solution
- Step 1: Write the proportion equation
1,078,133.01 : 1,488,301.79 = 696,345.99 : x - Step 2: Convert to fraction form
1,078,133.01/1,488,301.79 = 696,345.99/x - Step 3: Cross multiply
1,078,133.01x = 1,488,301.79 × 696,345.99 - Step 4: Simplify right side
1,078,133.01x = 1,036,372,983,376.32 - Step 5: Solve for x
x = 1,036,372,983,376.32/1,078,133.01 - Step 6: Final answer
x = 961,266.35
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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.