Finding the Fourth Proportional to 1,125,073.08, 1,553,352.66 and 666,335.25
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Solution
The fourth proportional to 1,125,073.08, 1,553,352.66 and 666,335.25 is: 919,987.91
Step by Step Solution
- Step 1: Write the proportion equation
1,125,073.08 : 1,553,352.66 = 666,335.25 : x - Step 2: Convert to fraction form
1,125,073.08/1,553,352.66 = 666,335.25/x - Step 3: Cross multiply
1,125,073.08x = 1,553,352.66 × 666,335.25 - Step 4: Simplify right side
1,125,073.08x = 1,035,053,633,039.26 - Step 5: Solve for x
x = 1,035,053,633,039.26/1,125,073.08 - Step 6: Final answer
x = 919,987.91
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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.