Finding the Fourth Proportional to 1,372,045.20, 2,058,068.76 and 572,891.28
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Solution
The fourth proportional to 1,372,045.20, 2,058,068.76 and 572,891.28 is: 859,337.32
Step by Step Solution
- Step 1: Write the proportion equation
1,372,045.20 : 2,058,068.76 = 572,891.28 : x - Step 2: Convert to fraction form
1,372,045.20/2,058,068.76 = 572,891.28/x - Step 3: Cross multiply
1,372,045.20x = 2,058,068.76 × 572,891.28 - Step 4: Simplify right side
1,372,045.20x = 1,179,049,646,244.41 - Step 5: Solve for x
x = 1,179,049,646,244.41/1,372,045.20 - Step 6: Final answer
x = 859,337.32
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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.