Finding the Fourth Proportional to 1,399,663.68, 1,930,540.80 and 934,282.80
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Solution
The fourth proportional to 1,399,663.68, 1,930,540.80 and 934,282.80 is: 1,288,646.04
Step by Step Solution
- Step 1: Write the proportion equation
1,399,663.68 : 1,930,540.80 = 934,282.80 : x - Step 2: Convert to fraction form
1,399,663.68/1,930,540.80 = 934,282.80/x - Step 3: Cross multiply
1,399,663.68x = 1,930,540.80 × 934,282.80 - Step 4: Simplify right side
1,399,663.68x = 1,803,671,064,138.24 - Step 5: Solve for x
x = 1,803,671,064,138.24/1,399,663.68 - Step 6: Final answer
x = 1,288,646.04
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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.