Home / 1,012,939.40-1,519,190.40-444,319.40

Finding the Fourth Proportional to 1,012,939.40, 1,519,190.40 and 444,319.40

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Solution

The fourth proportional to 1,012,939.40, 1,519,190.40 and 444,319.40 is: 666,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,939.40 : 1,519,190.40 = 444,319.40 : x
  2. Step 2: Convert to fraction form
    1,012,939.40/1,519,190.40 = 444,319.40/x
  3. Step 3: Cross multiply
    1,012,939.40x = 1,519,190.40 × 444,319.40
  4. Step 4: Simplify right side
    1,012,939.40x = 675,005,767,013.76
  5. Step 5: Solve for x
    x = 675,005,767,013.76/1,012,939.40
  6. Step 6: Final answer
    x = 666,383.17

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1.5x scale

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.