Finding the Fourth Proportional to 1,299,349.34, 1,948,137.06 and 692,228.42
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Solution
The fourth proportional to 1,299,349.34, 1,948,137.06 and 692,228.42 is: 1,037,870.11
Step by Step Solution
- Step 1: Write the proportion equation
1,299,349.34 : 1,948,137.06 = 692,228.42 : x - Step 2: Convert to fraction form
1,299,349.34/1,948,137.06 = 692,228.42/x - Step 3: Cross multiply
1,299,349.34x = 1,948,137.06 × 692,228.42 - Step 4: Simplify right side
1,299,349.34x = 1,348,555,838,987.25 - Step 5: Solve for x
x = 1,348,555,838,987.25/1,299,349.34 - Step 6: Final answer
x = 1,037,870.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.