Finding the Fourth Proportional to 1,299,351.84, 1,948,140.80 and 692,230.92
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Solution
The fourth proportional to 1,299,351.84, 1,948,140.80 and 692,230.92 is: 1,037,873.85
Step by Step Solution
- Step 1: Write the proportion equation
1,299,351.84 : 1,948,140.80 = 692,230.92 : x - Step 2: Convert to fraction form
1,299,351.84/1,948,140.80 = 692,230.92/x - Step 3: Cross multiply
1,299,351.84x = 1,948,140.80 × 692,230.92 - Step 4: Simplify right side
1,299,351.84x = 1,348,563,298,273.54 - Step 5: Solve for x
x = 1,348,563,298,273.54/1,299,351.84 - Step 6: Final answer
x = 1,037,873.85
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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.