Home / 1,704,357.20-2,557,430.04-640,133.84

Finding the Fourth Proportional to 1,704,357.20, 2,557,430.04 and 640,133.84

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Solution

The fourth proportional to 1,704,357.20, 2,557,430.04 and 640,133.84 is: 960,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,357.20 : 2,557,430.04 = 640,133.84 : x
  2. Step 2: Convert to fraction form
    1,704,357.20/2,557,430.04 = 640,133.84/x
  3. Step 3: Cross multiply
    1,704,357.20x = 2,557,430.04 × 640,133.84
  4. Step 4: Simplify right side
    1,704,357.20x = 1,637,097,512,036.55
  5. Step 5: Solve for x
    x = 1,637,097,512,036.55/1,704,357.20
  6. Step 6: Final answer
    x = 960,536.62

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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.