Finding the Fourth Proportional to 1,432,802.96, 1,977,190 and 788,119.08
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Solution
The fourth proportional to 1,432,802.96, 1,977,190 and 788,119.08 is: 1,087,561.38
Step by Step Solution
- Step 1: Write the proportion equation
1,432,802.96 : 1,977,190 = 788,119.08 : x - Step 2: Convert to fraction form
1,432,802.96/1,977,190 = 788,119.08/x - Step 3: Cross multiply
1,432,802.96x = 1,977,190 × 788,119.08 - Step 4: Simplify right side
1,432,802.96x = 1,558,261,163,785.20 - Step 5: Solve for x
x = 1,558,261,163,785.20/1,432,802.96 - Step 6: Final answer
x = 1,087,561.38
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1.5x scale
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.