Finding the Fourth Proportional to 1,005,159.99, 1,387,097.41 and 546,263.67
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Solution
The fourth proportional to 1,005,159.99, 1,387,097.41 and 546,263.67 is: 753,831.16
Step by Step Solution
- Step 1: Write the proportion equation
1,005,159.99 : 1,387,097.41 = 546,263.67 : x - Step 2: Convert to fraction form
1,005,159.99/1,387,097.41 = 546,263.67/x - Step 3: Cross multiply
1,005,159.99x = 1,387,097.41 × 546,263.67 - Step 4: Simplify right side
1,005,159.99x = 757,720,921,834.10 - Step 5: Solve for x
x = 757,720,921,834.10/1,005,159.99 - Step 6: Final answer
x = 753,831.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.