Home / 1,329,347.52-1,993,824.18-430,868.52

Finding the Fourth Proportional to 1,329,347.52, 1,993,824.18 and 430,868.52

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Solution

The fourth proportional to 1,329,347.52, 1,993,824.18 and 430,868.52 is: 646,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,347.52 : 1,993,824.18 = 430,868.52 : x
  2. Step 2: Convert to fraction form
    1,329,347.52/1,993,824.18 = 430,868.52/x
  3. Step 3: Cross multiply
    1,329,347.52x = 1,993,824.18 × 430,868.52
  4. Step 4: Simplify right side
    1,329,347.52x = 859,076,073,576.81
  5. Step 5: Solve for x
    x = 859,076,073,576.81/1,329,347.52
  6. Step 6: Final answer
    x = 646,238.90

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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.