Home / 1,563,139.45-2,343,484.27-617,218.21

Finding the Fourth Proportional to 1,563,139.45, 2,343,484.27 and 617,218.21

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Solution

The fourth proportional to 1,563,139.45, 2,343,484.27 and 617,218.21 is: 925,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,139.45 : 2,343,484.27 = 617,218.21 : x
  2. Step 2: Convert to fraction form
    1,563,139.45/2,343,484.27 = 617,218.21/x
  3. Step 3: Cross multiply
    1,563,139.45x = 2,343,484.27 × 617,218.21
  4. Step 4: Simplify right side
    1,563,139.45x = 1,446,441,166,292.56
  5. Step 5: Solve for x
    x = 1,446,441,166,292.56/1,563,139.45
  6. Step 6: Final answer
    x = 925,343.65

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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.