Home / 1,688,745.24-2,533,123.08-409,347.72

Finding the Fourth Proportional to 1,688,745.24, 2,533,123.08 and 409,347.72

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Solution

The fourth proportional to 1,688,745.24, 2,533,123.08 and 409,347.72 is: 614,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,745.24 : 2,533,123.08 = 409,347.72 : x
  2. Step 2: Convert to fraction form
    1,688,745.24/2,533,123.08 = 409,347.72/x
  3. Step 3: Cross multiply
    1,688,745.24x = 2,533,123.08 × 409,347.72
  4. Step 4: Simplify right side
    1,688,745.24x = 1,036,928,157,277.38
  5. Step 5: Solve for x
    x = 1,036,928,157,277.38/1,688,745.24
  6. Step 6: Final answer
    x = 614,022.85

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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.