Home / 1,055,980.12-1,581,386.74-953,628.56

Finding the Fourth Proportional to 1,055,980.12, 1,581,386.74 and 953,628.56

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Solution

The fourth proportional to 1,055,980.12, 1,581,386.74 and 953,628.56 is: 1,428,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,980.12 : 1,581,386.74 = 953,628.56 : x
  2. Step 2: Convert to fraction form
    1,055,980.12/1,581,386.74 = 953,628.56/x
  3. Step 3: Cross multiply
    1,055,980.12x = 1,581,386.74 × 953,628.56
  4. Step 4: Simplify right side
    1,055,980.12x = 1,508,055,566,885.87
  5. Step 5: Solve for x
    x = 1,508,055,566,885.87/1,055,980.12
  6. Step 6: Final answer
    x = 1,428,109.81

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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.