Home / 1,776,920.76-2,665,378.98-578,841.12

Finding the Fourth Proportional to 1,776,920.76, 2,665,378.98 and 578,841.12

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Solution

The fourth proportional to 1,776,920.76, 2,665,378.98 and 578,841.12 is: 868,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,920.76 : 2,665,378.98 = 578,841.12 : x
  2. Step 2: Convert to fraction form
    1,776,920.76/2,665,378.98 = 578,841.12/x
  3. Step 3: Cross multiply
    1,776,920.76x = 2,665,378.98 × 578,841.12
  4. Step 4: Simplify right side
    1,776,920.76x = 1,542,830,954,007.66
  5. Step 5: Solve for x
    x = 1,542,830,954,007.66/1,776,920.76
  6. Step 6: Final answer
    x = 868,260.98

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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.