Home / 1,425,800.48-2,138,000.87-705,309.73

Finding the Fourth Proportional to 1,425,800.48, 2,138,000.87 and 705,309.73

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Solution

The fourth proportional to 1,425,800.48, 2,138,000.87 and 705,309.73 is: 1,057,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,800.48 : 2,138,000.87 = 705,309.73 : x
  2. Step 2: Convert to fraction form
    1,425,800.48/2,138,000.87 = 705,309.73/x
  3. Step 3: Cross multiply
    1,425,800.48x = 2,138,000.87 × 705,309.73
  4. Step 4: Simplify right side
    1,425,800.48x = 1,507,952,812,777.74
  5. Step 5: Solve for x
    x = 1,507,952,812,777.74/1,425,800.48
  6. Step 6: Final answer
    x = 1,057,618.40

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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.