Home / 1,579,320.40-2,179,455.24-854,168.98

Finding the Fourth Proportional to 1,579,320.40, 2,179,455.24 and 854,168.98

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Solution

The fourth proportional to 1,579,320.40, 2,179,455.24 and 854,168.98 is: 1,178,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,320.40 : 2,179,455.24 = 854,168.98 : x
  2. Step 2: Convert to fraction form
    1,579,320.40/2,179,455.24 = 854,168.98/x
  3. Step 3: Cross multiply
    1,579,320.40x = 2,179,455.24 × 854,168.98
  4. Step 4: Simplify right side
    1,579,320.40x = 1,861,623,059,306.46
  5. Step 5: Solve for x
    x = 1,861,623,059,306.46/1,579,320.40
  6. Step 6: Final answer
    x = 1,178,749.45

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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.