Finding the Fourth Proportional to 1,281,567.02, 1,768,491.84 and 708,569.40
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Solution
The fourth proportional to 1,281,567.02, 1,768,491.84 and 708,569.40 is: 977,786.71
Step by Step Solution
- Step 1: Write the proportion equation
1,281,567.02 : 1,768,491.84 = 708,569.40 : x - Step 2: Convert to fraction form
1,281,567.02/1,768,491.84 = 708,569.40/x - Step 3: Cross multiply
1,281,567.02x = 1,768,491.84 × 708,569.40 - Step 4: Simplify right side
1,281,567.02x = 1,253,099,201,973.70 - Step 5: Solve for x
x = 1,253,099,201,973.70/1,281,567.02 - Step 6: Final answer
x = 977,786.71
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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.