Finding the Fourth Proportional to 1,011,860.16, 1,396,312.08 and 559,122
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Solution
The fourth proportional to 1,011,860.16, 1,396,312.08 and 559,122 is: 771,558.00
Step by Step Solution
- Step 1: Write the proportion equation
1,011,860.16 : 1,396,312.08 = 559,122 : x - Step 2: Convert to fraction form
1,011,860.16/1,396,312.08 = 559,122/x - Step 3: Cross multiply
1,011,860.16x = 1,396,312.08 × 559,122 - Step 4: Simplify right side
1,011,860.16x = 780,708,802,793.76 - Step 5: Solve for x
x = 780,708,802,793.76/1,011,860.16 - Step 6: Final answer
x = 771,558.00
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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.