Home / 903,299.61-1,243,424.20-780,735.68

Finding the Fourth Proportional to 903,299.61, 1,243,424.20 and 780,735.68

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Solution

The fourth proportional to 903,299.61, 1,243,424.20 and 780,735.68 is: 1,074,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,299.61 : 1,243,424.20 = 780,735.68 : x
  2. Step 2: Convert to fraction form
    903,299.61/1,243,424.20 = 780,735.68/x
  3. Step 3: Cross multiply
    903,299.61x = 1,243,424.20 × 780,735.68
  4. Step 4: Simplify right side
    903,299.61x = 970,785,638,315.46
  5. Step 5: Solve for x
    x = 970,785,638,315.46/903,299.61
  6. Step 6: Final answer
    x = 1,074,710.57

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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.