Finding the Fourth Proportional to 1,011,841.07, 1,396,341.18 and 559,132.07
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Solution
The fourth proportional to 1,011,841.07, 1,396,341.18 and 559,132.07 is: 771,602.53
Step by Step Solution
- Step 1: Write the proportion equation
1,011,841.07 : 1,396,341.18 = 559,132.07 : x - Step 2: Convert to fraction form
1,011,841.07/1,396,341.18 = 559,132.07/x - Step 3: Cross multiply
1,011,841.07x = 1,396,341.18 × 559,132.07 - Step 4: Simplify right side
1,011,841.07x = 780,739,127,417.94 - Step 5: Solve for x
x = 780,739,127,417.94/1,011,841.07 - Step 6: Final answer
x = 771,602.53
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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.