Home / 1,070,211-1,605,541.76-396,297.84

Finding the Fourth Proportional to 1,070,211, 1,605,541.76 and 396,297.84

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Solution

The fourth proportional to 1,070,211, 1,605,541.76 and 396,297.84 is: 594,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,211 : 1,605,541.76 = 396,297.84 : x
  2. Step 2: Convert to fraction form
    1,070,211/1,605,541.76 = 396,297.84/x
  3. Step 3: Cross multiply
    1,070,211x = 1,605,541.76 × 396,297.84
  4. Step 4: Simplify right side
    1,070,211x = 636,272,731,517.80
  5. Step 5: Solve for x
    x = 636,272,731,517.80/1,070,211
  6. Step 6: Final answer
    x = 594,530.17

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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.