Finding the Fourth Proportional to 1,069,594.62, 1,604,358.99 and 438,032.76
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Solution
The fourth proportional to 1,069,594.62, 1,604,358.99 and 438,032.76 is: 657,035.65
Step by Step Solution
- Step 1: Write the proportion equation
1,069,594.62 : 1,604,358.99 = 438,032.76 : x - Step 2: Convert to fraction form
1,069,594.62/1,604,358.99 = 438,032.76/x - Step 3: Cross multiply
1,069,594.62x = 1,604,358.99 × 438,032.76 - Step 4: Simplify right side
1,069,594.62x = 702,761,796,420.51 - Step 5: Solve for x
x = 702,761,796,420.51/1,069,594.62 - Step 6: Final answer
x = 657,035.65
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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.