Finding the Fourth Proportional to 1,257,742.05, 1,735,726.73 and 706,555.02
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Solution
The fourth proportional to 1,257,742.05, 1,735,726.73 and 706,555.02 is: 975,069.91
Step by Step Solution
- Step 1: Write the proportion equation
1,257,742.05 : 1,735,726.73 = 706,555.02 : x - Step 2: Convert to fraction form
1,257,742.05/1,735,726.73 = 706,555.02/x - Step 3: Cross multiply
1,257,742.05x = 1,735,726.73 × 706,555.02 - Step 4: Simplify right side
1,257,742.05x = 1,226,386,427,642.42 - Step 5: Solve for x
x = 1,226,386,427,642.42/1,257,742.05 - Step 6: Final answer
x = 975,069.91
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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.