Finding the Fourth Proportional to 1,135,573.48, 1,565,653.62 and 748,328.68
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Solution
The fourth proportional to 1,135,573.48, 1,565,653.62 and 748,328.68 is: 1,031,746.10
Step by Step Solution
- Step 1: Write the proportion equation
1,135,573.48 : 1,565,653.62 = 748,328.68 : x - Step 2: Convert to fraction form
1,135,573.48/1,565,653.62 = 748,328.68/x - Step 3: Cross multiply
1,135,573.48x = 1,565,653.62 × 748,328.68 - Step 4: Simplify right side
1,135,573.48x = 1,171,623,506,791.82 - Step 5: Solve for x
x = 1,171,623,506,791.82/1,135,573.48 - Step 6: Final answer
x = 1,031,746.10
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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.