Finding the Fourth Proportional to 1,078,376.80, 1,488,149.70 and 594,945.84
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Solution
The fourth proportional to 1,078,376.80, 1,488,149.70 and 594,945.84 is: 821,019.59
Step by Step Solution
- Step 1: Write the proportion equation
1,078,376.80 : 1,488,149.70 = 594,945.84 : x - Step 2: Convert to fraction form
1,078,376.80/1,488,149.70 = 594,945.84/x - Step 3: Cross multiply
1,078,376.80x = 1,488,149.70 × 594,945.84 - Step 4: Simplify right side
1,078,376.80x = 885,368,473,312.25 - Step 5: Solve for x
x = 885,368,473,312.25/1,078,376.80 - Step 6: Final answer
x = 821,019.59
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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.