Home / 1,778,649.29-2,668,047.74-516,476.91

Finding the Fourth Proportional to 1,778,649.29, 2,668,047.74 and 516,476.91

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Solution

The fourth proportional to 1,778,649.29, 2,668,047.74 and 516,476.91 is: 774,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,649.29 : 2,668,047.74 = 516,476.91 : x
  2. Step 2: Convert to fraction form
    1,778,649.29/2,668,047.74 = 516,476.91/x
  3. Step 3: Cross multiply
    1,778,649.29x = 2,668,047.74 × 516,476.91
  4. Step 4: Simplify right side
    1,778,649.29x = 1,377,985,049,905.30
  5. Step 5: Solve for x
    x = 1,377,985,049,905.30/1,778,649.29
  6. Step 6: Final answer
    x = 774,736.80

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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.