Home / 1,061,978.70-1,592,011.50-387,586.80

Finding the Fourth Proportional to 1,061,978.70, 1,592,011.50 and 387,586.80

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Solution

The fourth proportional to 1,061,978.70, 1,592,011.50 and 387,586.80 is: 581,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,978.70 : 1,592,011.50 = 387,586.80 : x
  2. Step 2: Convert to fraction form
    1,061,978.70/1,592,011.50 = 387,586.80/x
  3. Step 3: Cross multiply
    1,061,978.70x = 1,592,011.50 × 387,586.80
  4. Step 4: Simplify right side
    1,061,978.70x = 617,042,642,848.20
  5. Step 5: Solve for x
    x = 617,042,642,848.20/1,061,978.70
  6. Step 6: Final answer
    x = 581,031.09

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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.