Home / 1,563,138.45-2,343,482.78-617,217.21

Finding the Fourth Proportional to 1,563,138.45, 2,343,482.78 and 617,217.21

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Solution

The fourth proportional to 1,563,138.45, 2,343,482.78 and 617,217.21 is: 925,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,138.45 : 2,343,482.78 = 617,217.21 : x
  2. Step 2: Convert to fraction form
    1,563,138.45/2,343,482.78 = 617,217.21/x
  3. Step 3: Cross multiply
    1,563,138.45x = 2,343,482.78 × 617,217.21
  4. Step 4: Simplify right side
    1,563,138.45x = 1,446,437,900,068.56
  5. Step 5: Solve for x
    x = 1,446,437,900,068.56/1,563,138.45
  6. Step 6: Final answer
    x = 925,342.15

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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.