Home / 1,424,203.56-1,965,403.40-779,624.16

Finding the Fourth Proportional to 1,424,203.56, 1,965,403.40 and 779,624.16

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Solution

The fourth proportional to 1,424,203.56, 1,965,403.40 and 779,624.16 is: 1,075,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,203.56 : 1,965,403.40 = 779,624.16 : x
  2. Step 2: Convert to fraction form
    1,424,203.56/1,965,403.40 = 779,624.16/x
  3. Step 3: Cross multiply
    1,424,203.56x = 1,965,403.40 × 779,624.16
  4. Step 4: Simplify right side
    1,424,203.56x = 1,532,275,974,786.14
  5. Step 5: Solve for x
    x = 1,532,275,974,786.14/1,424,203.56
  6. Step 6: Final answer
    x = 1,075,882.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.