Finding the Fourth Proportional to 1,241,001.18, 1,712,395.08 and 697,032.72
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Solution
The fourth proportional to 1,241,001.18, 1,712,395.08 and 697,032.72 is: 961,800.38
Step by Step Solution
- Step 1: Write the proportion equation
1,241,001.18 : 1,712,395.08 = 697,032.72 : x - Step 2: Convert to fraction form
1,241,001.18/1,712,395.08 = 697,032.72/x - Step 3: Cross multiply
1,241,001.18x = 1,712,395.08 × 697,032.72 - Step 4: Simplify right side
1,241,001.18x = 1,193,595,400,327.02 - Step 5: Solve for x
x = 1,193,595,400,327.02/1,241,001.18 - Step 6: Final answer
x = 961,800.38
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1.5x scale
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.