Home / 1,357,507.70-2,036,704.43-647,443.46

Finding the Fourth Proportional to 1,357,507.70, 2,036,704.43 and 647,443.46

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Solution

The fourth proportional to 1,357,507.70, 2,036,704.43 and 647,443.46 is: 971,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,507.70 : 2,036,704.43 = 647,443.46 : x
  2. Step 2: Convert to fraction form
    1,357,507.70/2,036,704.43 = 647,443.46/x
  3. Step 3: Cross multiply
    1,357,507.70x = 2,036,704.43 × 647,443.46
  4. Step 4: Simplify right side
    1,357,507.70x = 1,318,650,963,156.53
  5. Step 5: Solve for x
    x = 1,318,650,963,156.53/1,357,507.70
  6. Step 6: Final answer
    x = 971,376.42

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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.