Finding the Fourth Proportional to 1,242,282.02, 1,714,366.80 and 698,387.42
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Solution
The fourth proportional to 1,242,282.02, 1,714,366.80 and 698,387.42 is: 963,784.55
Step by Step Solution
- Step 1: Write the proportion equation
1,242,282.02 : 1,714,366.80 = 698,387.42 : x - Step 2: Convert to fraction form
1,242,282.02/1,714,366.80 = 698,387.42/x - Step 3: Cross multiply
1,242,282.02x = 1,714,366.80 × 698,387.42 - Step 4: Simplify right side
1,242,282.02x = 1,197,292,210,671.57 - Step 5: Solve for x
x = 1,197,292,210,671.57/1,242,282.02 - Step 6: Final answer
x = 963,784.55
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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.