Home / 1,561,350.79-2,341,088.63-649,436.38

Finding the Fourth Proportional to 1,561,350.79, 2,341,088.63 and 649,436.38

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Solution

The fourth proportional to 1,561,350.79, 2,341,088.63 and 649,436.38 is: 973,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,350.79 : 2,341,088.63 = 649,436.38 : x
  2. Step 2: Convert to fraction form
    1,561,350.79/2,341,088.63 = 649,436.38/x
  3. Step 3: Cross multiply
    1,561,350.79x = 2,341,088.63 × 649,436.38
  4. Step 4: Simplify right side
    1,561,350.79x = 1,520,388,131,630.47
  5. Step 5: Solve for x
    x = 1,520,388,131,630.47/1,561,350.79
  6. Step 6: Final answer
    x = 973,764.61

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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.