Finding the Fourth Proportional to 1,249,378.68, 1,873,280.58 and 1,059,905.64
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Solution
The fourth proportional to 1,249,378.68, 1,873,280.58 and 1,059,905.64 is: 1,589,190.44
Step by Step Solution
- Step 1: Write the proportion equation
1,249,378.68 : 1,873,280.58 = 1,059,905.64 : x - Step 2: Convert to fraction form
1,249,378.68/1,873,280.58 = 1,059,905.64/x - Step 3: Cross multiply
1,249,378.68x = 1,873,280.58 × 1,059,905.64 - Step 4: Simplify right side
1,249,378.68x = 1,985,500,652,044.47 - Step 5: Solve for x
x = 1,985,500,652,044.47/1,249,378.68 - Step 6: Final answer
x = 1,589,190.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.