Home / 1,450,384.20-2,001,412.84-838,576.20

Finding the Fourth Proportional to 1,450,384.20, 2,001,412.84 and 838,576.20

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Solution

The fourth proportional to 1,450,384.20, 2,001,412.84 and 838,576.20 is: 1,157,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,384.20 : 2,001,412.84 = 838,576.20 : x
  2. Step 2: Convert to fraction form
    1,450,384.20/2,001,412.84 = 838,576.20/x
  3. Step 3: Cross multiply
    1,450,384.20x = 2,001,412.84 × 838,576.20
  4. Step 4: Simplify right side
    1,450,384.20x = 1,678,337,173,998.41
  5. Step 5: Solve for x
    x = 1,678,337,173,998.41/1,450,384.20
  6. Step 6: Final answer
    x = 1,157,167.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.