Finding the Fourth Proportional to 1,051,488.99, 1,578,356.21 and 452,746.59
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Solution
The fourth proportional to 1,051,488.99, 1,578,356.21 and 452,746.59 is: 679,603.30
Step by Step Solution
- Step 1: Write the proportion equation
1,051,488.99 : 1,578,356.21 = 452,746.59 : x - Step 2: Convert to fraction form
1,051,488.99/1,578,356.21 = 452,746.59/x - Step 3: Cross multiply
1,051,488.99x = 1,578,356.21 × 452,746.59 - Step 4: Simplify right side
1,051,488.99x = 714,595,389,619.09 - Step 5: Solve for x
x = 714,595,389,619.09/1,051,488.99 - Step 6: Final answer
x = 679,603.30
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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.