Home / 1,560,639.60-2,339,404.20-717,721.20

Finding the Fourth Proportional to 1,560,639.60, 2,339,404.20 and 717,721.20

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Solution

The fourth proportional to 1,560,639.60, 2,339,404.20 and 717,721.20 is: 1,075,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,639.60 : 2,339,404.20 = 717,721.20 : x
  2. Step 2: Convert to fraction form
    1,560,639.60/2,339,404.20 = 717,721.20/x
  3. Step 3: Cross multiply
    1,560,639.60x = 2,339,404.20 × 717,721.20
  4. Step 4: Simplify right side
    1,560,639.60x = 1,679,039,989,709.04
  5. Step 5: Solve for x
    x = 1,679,039,989,709.04/1,560,639.60
  6. Step 6: Final answer
    x = 1,075,866.58

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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.