Finding the Fourth Proportional to 1,125,064.08, 1,553,340.24 and 666,326.25
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Solution
The fourth proportional to 1,125,064.08, 1,553,340.24 and 666,326.25 is: 919,975.49
Step by Step Solution
- Step 1: Write the proportion equation
1,125,064.08 : 1,553,340.24 = 666,326.25 : x - Step 2: Convert to fraction form
1,125,064.08/1,553,340.24 = 666,326.25/x - Step 3: Cross multiply
1,125,064.08x = 1,553,340.24 × 666,326.25 - Step 4: Simplify right side
1,125,064.08x = 1,035,031,377,093.30 - Step 5: Solve for x
x = 1,035,031,377,093.30/1,125,064.08 - Step 6: Final answer
x = 919,975.49
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1.5x scale
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.