Finding the Fourth Proportional to 1,553,461.44, 2,329,109.16 and 688,425.28
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Solution
The fourth proportional to 1,553,461.44, 2,329,109.16 and 688,425.28 is: 1,032,157.98
Step by Step Solution
- Step 1: Write the proportion equation
1,553,461.44 : 2,329,109.16 = 688,425.28 : x - Step 2: Convert to fraction form
1,553,461.44/2,329,109.16 = 688,425.28/x - Step 3: Cross multiply
1,553,461.44x = 2,329,109.16 × 688,425.28 - Step 4: Simplify right side
1,553,461.44x = 1,603,417,625,623.57 - Step 5: Solve for x
x = 1,603,417,625,623.57/1,553,461.44 - Step 6: Final answer
x = 1,032,157.98
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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.