Finding the Fourth Proportional to 1,126,027.10, 1,553,918.22 and 609,785.06
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Solution
The fourth proportional to 1,126,027.10, 1,553,918.22 and 609,785.06 is: 841,503.82
Step by Step Solution
- Step 1: Write the proportion equation
1,126,027.10 : 1,553,918.22 = 609,785.06 : x - Step 2: Convert to fraction form
1,126,027.10/1,553,918.22 = 609,785.06/x - Step 3: Cross multiply
1,126,027.10x = 1,553,918.22 × 609,785.06 - Step 4: Simplify right side
1,126,027.10x = 947,556,107,248.20 - Step 5: Solve for x
x = 947,556,107,248.20/1,126,027.10 - Step 6: Final answer
x = 841,503.82
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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.