Home / 1,429,516.31-2,142,612.81-530,384.54

Finding the Fourth Proportional to 1,429,516.31, 2,142,612.81 and 530,384.54

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Solution

The fourth proportional to 1,429,516.31, 2,142,612.81 and 530,384.54 is: 794,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,516.31 : 2,142,612.81 = 530,384.54 : x
  2. Step 2: Convert to fraction form
    1,429,516.31/2,142,612.81 = 530,384.54/x
  3. Step 3: Cross multiply
    1,429,516.31x = 2,142,612.81 × 530,384.54
  4. Step 4: Simplify right side
    1,429,516.31x = 1,136,408,709,629.96
  5. Step 5: Solve for x
    x = 1,136,408,709,629.96/1,429,516.31
  6. Step 6: Final answer
    x = 794,960.30

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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.