Finding the Fourth Proportional to 1,125,775.35, 1,688,472.84 and 315,973.93
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Solution
The fourth proportional to 1,125,775.35, 1,688,472.84 and 315,973.93 is: 473,907.52
Step by Step Solution
- Step 1: Write the proportion equation
1,125,775.35 : 1,688,472.84 = 315,973.93 : x - Step 2: Convert to fraction form
1,125,775.35/1,688,472.84 = 315,973.93/x - Step 3: Cross multiply
1,125,775.35x = 1,688,472.84 × 315,973.93 - Step 4: Simplify right side
1,125,775.35x = 533,513,398,953.06 - Step 5: Solve for x
x = 533,513,398,953.06/1,125,775.35 - Step 6: Final answer
x = 473,907.52
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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.