Finding the Fourth Proportional to 1,239,564.41, 1,859,101.79 and 340,774.23
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Solution
The fourth proportional to 1,239,564.41, 1,859,101.79 and 340,774.23 is: 511,094.04
Step by Step Solution
- Step 1: Write the proportion equation
1,239,564.41 : 1,859,101.79 = 340,774.23 : x - Step 2: Convert to fraction form
1,239,564.41/1,859,101.79 = 340,774.23/x - Step 3: Cross multiply
1,239,564.41x = 1,859,101.79 × 340,774.23 - Step 4: Simplify right side
1,239,564.41x = 633,533,979,275.00 - Step 5: Solve for x
x = 633,533,979,275.00/1,239,564.41 - Step 6: Final answer
x = 511,094.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.