Finding the Fourth Proportional to 1,560,658.60, 2,339,432.70 and 717,740.20
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Solution
The fourth proportional to 1,560,658.60, 2,339,432.70 and 717,740.20 is: 1,075,895.07
Step by Step Solution
- Step 1: Write the proportion equation
1,560,658.60 : 2,339,432.70 = 717,740.20 : x - Step 2: Convert to fraction form
1,560,658.60/2,339,432.70 = 717,740.20/x - Step 3: Cross multiply
1,560,658.60x = 2,339,432.70 × 717,740.20 - Step 4: Simplify right side
1,560,658.60x = 1,679,104,893,984.54 - Step 5: Solve for x
x = 1,679,104,893,984.54/1,560,658.60 - Step 6: Final answer
x = 1,075,895.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.