Finding the Fourth Proportional to 1,243,702.56, 1,865,612.16 and 402,319.92
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Solution
The fourth proportional to 1,243,702.56, 1,865,612.16 and 402,319.92 is: 603,498.75
Step by Step Solution
- Step 1: Write the proportion equation
1,243,702.56 : 1,865,612.16 = 402,319.92 : x - Step 2: Convert to fraction form
1,243,702.56/1,865,612.16 = 402,319.92/x - Step 3: Cross multiply
1,243,702.56x = 1,865,612.16 × 402,319.92 - Step 4: Simplify right side
1,243,702.56x = 750,572,934,962.23 - Step 5: Solve for x
x = 750,572,934,962.23/1,243,702.56 - Step 6: Final answer
x = 603,498.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.