Finding the Fourth Proportional to 1,237,985.62, 1,708,011.76 and 747,772
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Solution
The fourth proportional to 1,237,985.62, 1,708,011.76 and 747,772 is: 1,031,678.68
Step by Step Solution
- Step 1: Write the proportion equation
1,237,985.62 : 1,708,011.76 = 747,772 : x - Step 2: Convert to fraction form
1,237,985.62/1,708,011.76 = 747,772/x - Step 3: Cross multiply
1,237,985.62x = 1,708,011.76 × 747,772 - Step 4: Simplify right side
1,237,985.62x = 1,277,203,369,798.72 - Step 5: Solve for x
x = 1,277,203,369,798.72/1,237,985.62 - Step 6: Final answer
x = 1,031,678.68
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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.