Home / 1,119,351.80-1,679,027.70-1,021,374.20

Finding the Fourth Proportional to 1,119,351.80, 1,679,027.70 and 1,021,374.20

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Solution

The fourth proportional to 1,119,351.80, 1,679,027.70 and 1,021,374.20 is: 1,532,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,351.80 : 1,679,027.70 = 1,021,374.20 : x
  2. Step 2: Convert to fraction form
    1,119,351.80/1,679,027.70 = 1,021,374.20/x
  3. Step 3: Cross multiply
    1,119,351.80x = 1,679,027.70 × 1,021,374.20
  4. Step 4: Simplify right side
    1,119,351.80x = 1,714,915,573,865.34
  5. Step 5: Solve for x
    x = 1,714,915,573,865.34/1,119,351.80
  6. Step 6: Final answer
    x = 1,532,061.30

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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.