Finding the Fourth Proportional to 1,299,248.44, 1,792,970.04 and 726,312.76
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Solution
The fourth proportional to 1,299,248.44, 1,792,970.04 and 726,312.76 is: 1,002,315.63
Step by Step Solution
- Step 1: Write the proportion equation
1,299,248.44 : 1,792,970.04 = 726,312.76 : x - Step 2: Convert to fraction form
1,299,248.44/1,792,970.04 = 726,312.76/x - Step 3: Cross multiply
1,299,248.44x = 1,792,970.04 × 726,312.76 - Step 4: Simplify right side
1,299,248.44x = 1,302,257,018,349.71 - Step 5: Solve for x
x = 1,302,257,018,349.71/1,299,248.44 - Step 6: Final answer
x = 1,002,315.63
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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.