Finding the Fourth Proportional to 1,135,290.84, 1,565,073.36 and 893,152.92
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Solution
The fourth proportional to 1,135,290.84, 1,565,073.36 and 893,152.92 is: 1,231,270.25
Step by Step Solution
- Step 1: Write the proportion equation
1,135,290.84 : 1,565,073.36 = 893,152.92 : x - Step 2: Convert to fraction form
1,135,290.84/1,565,073.36 = 893,152.92/x - Step 3: Cross multiply
1,135,290.84x = 1,565,073.36 × 893,152.92 - Step 4: Simplify right side
1,135,290.84x = 1,397,849,841,498.21 - Step 5: Solve for x
x = 1,397,849,841,498.21/1,135,290.84 - Step 6: Final answer
x = 1,231,270.25
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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.