Home / 1,047,749.56-1,445,642.13-611,919.73

Finding the Fourth Proportional to 1,047,749.56, 1,445,642.13 and 611,919.73

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Solution

The fourth proportional to 1,047,749.56, 1,445,642.13 and 611,919.73 is: 844,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,749.56 : 1,445,642.13 = 611,919.73 : x
  2. Step 2: Convert to fraction form
    1,047,749.56/1,445,642.13 = 611,919.73/x
  3. Step 3: Cross multiply
    1,047,749.56x = 1,445,642.13 × 611,919.73
  4. Step 4: Simplify right side
    1,047,749.56x = 884,616,941,866.23
  5. Step 5: Solve for x
    x = 884,616,941,866.23/1,047,749.56
  6. Step 6: Final answer
    x = 844,301.90

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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.