Home / 1,347,588.34-2,021,673.14-388,037.48

Finding the Fourth Proportional to 1,347,588.34, 2,021,673.14 and 388,037.48

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Solution

The fourth proportional to 1,347,588.34, 2,021,673.14 and 388,037.48 is: 582,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,588.34 : 2,021,673.14 = 388,037.48 : x
  2. Step 2: Convert to fraction form
    1,347,588.34/2,021,673.14 = 388,037.48/x
  3. Step 3: Cross multiply
    1,347,588.34x = 2,021,673.14 × 388,037.48
  4. Step 4: Simplify right side
    1,347,588.34x = 784,484,941,491.02
  5. Step 5: Solve for x
    x = 784,484,941,491.02/1,347,588.34
  6. Step 6: Final answer
    x = 582,139.90

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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.