Home / 1,302,494.12-1,953,563.85-342,869.43

Finding the Fourth Proportional to 1,302,494.12, 1,953,563.85 and 342,869.43

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Solution

The fourth proportional to 1,302,494.12, 1,953,563.85 and 342,869.43 is: 514,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,494.12 : 1,953,563.85 = 342,869.43 : x
  2. Step 2: Convert to fraction form
    1,302,494.12/1,953,563.85 = 342,869.43/x
  3. Step 3: Cross multiply
    1,302,494.12x = 1,953,563.85 × 342,869.43
  4. Step 4: Simplify right side
    1,302,494.12x = 669,817,323,718.11
  5. Step 5: Solve for x
    x = 669,817,323,718.11/1,302,494.12
  6. Step 6: Final answer
    x = 514,257.47

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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.