Finding the Fourth Proportional to 1,432,878.98, 1,977,372.99 and 788,285.33
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Solution
The fourth proportional to 1,432,878.98, 1,977,372.99 and 788,285.33 is: 1,087,833.75
Step by Step Solution
- Step 1: Write the proportion equation
1,432,878.98 : 1,977,372.99 = 788,285.33 : x - Step 2: Convert to fraction form
1,432,878.98/1,977,372.99 = 788,285.33/x - Step 3: Cross multiply
1,432,878.98x = 1,977,372.99 × 788,285.33 - Step 4: Simplify right side
1,432,878.98x = 1,558,734,119,955.24 - Step 5: Solve for x
x = 1,558,734,119,955.24/1,432,878.98 - Step 6: Final answer
x = 1,087,833.75
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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.