Finding the Fourth Proportional to 1,064,415.60, 1,596,878.55 and 354,449.79
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Solution
The fourth proportional to 1,064,415.60, 1,596,878.55 and 354,449.79 is: 531,759.65
Step by Step Solution
- Step 1: Write the proportion equation
1,064,415.60 : 1,596,878.55 = 354,449.79 : x - Step 2: Convert to fraction form
1,064,415.60/1,596,878.55 = 354,449.79/x - Step 3: Cross multiply
1,064,415.60x = 1,596,878.55 × 354,449.79 - Step 4: Simplify right side
1,064,415.60x = 566,013,266,703.01 - Step 5: Solve for x
x = 566,013,266,703.01/1,064,415.60 - Step 6: Final answer
x = 531,759.65
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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.