Finding the Fourth Proportional to 1,239,671.46, 1,710,615.20 and 695,867.07
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Solution
The fourth proportional to 1,239,671.46, 1,710,615.20 and 695,867.07 is: 960,222.79
Step by Step Solution
- Step 1: Write the proportion equation
1,239,671.46 : 1,710,615.20 = 695,867.07 : x - Step 2: Convert to fraction form
1,239,671.46/1,710,615.20 = 695,867.07/x - Step 3: Cross multiply
1,239,671.46x = 1,710,615.20 × 695,867.07 - Step 4: Simplify right side
1,239,671.46x = 1,190,360,783,642.13 - Step 5: Solve for x
x = 1,190,360,783,642.13/1,239,671.46 - Step 6: Final answer
x = 960,222.79
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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.