Home / 1,070,345.73-1,605,786.30-755,417.73

Finding the Fourth Proportional to 1,070,345.73, 1,605,786.30 and 755,417.73

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Solution

The fourth proportional to 1,070,345.73, 1,605,786.30 and 755,417.73 is: 1,133,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,345.73 : 1,605,786.30 = 755,417.73 : x
  2. Step 2: Convert to fraction form
    1,070,345.73/1,605,786.30 = 755,417.73/x
  3. Step 3: Cross multiply
    1,070,345.73x = 1,605,786.30 × 755,417.73
  4. Step 4: Simplify right side
    1,070,345.73x = 1,213,039,441,611.10
  5. Step 5: Solve for x
    x = 1,213,039,441,611.10/1,070,345.73
  6. Step 6: Final answer
    x = 1,133,315.53

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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.