Home / 1,300,123.40-1,950,768.30-589,785.80

Finding the Fourth Proportional to 1,300,123.40, 1,950,768.30 and 589,785.80

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Solution

The fourth proportional to 1,300,123.40, 1,950,768.30 and 589,785.80 is: 884,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,123.40 : 1,950,768.30 = 589,785.80 : x
  2. Step 2: Convert to fraction form
    1,300,123.40/1,950,768.30 = 589,785.80/x
  3. Step 3: Cross multiply
    1,300,123.40x = 1,950,768.30 × 589,785.80
  4. Step 4: Simplify right side
    1,300,123.40x = 1,150,535,442,430.14
  5. Step 5: Solve for x
    x = 1,150,535,442,430.14/1,300,123.40
  6. Step 6: Final answer
    x = 884,943.26

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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.