Finding the Fourth Proportional to 1,432,929.14, 1,977,442.15 and 788,335.49
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Solution
The fourth proportional to 1,432,929.14, 1,977,442.15 and 788,335.49 is: 1,087,902.94
Step by Step Solution
- Step 1: Write the proportion equation
1,432,929.14 : 1,977,442.15 = 788,335.49 : x - Step 2: Convert to fraction form
1,432,929.14/1,977,442.15 = 788,335.49/x - Step 3: Cross multiply
1,432,929.14x = 1,977,442.15 × 788,335.49 - Step 4: Simplify right side
1,432,929.14x = 1,558,887,827,268.83 - Step 5: Solve for x
x = 1,558,887,827,268.83/1,432,929.14 - Step 6: Final answer
x = 1,087,902.94
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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.