Home / 1,637,709.40-2,455,689.30-572,786.20

Finding the Fourth Proportional to 1,637,709.40, 2,455,689.30 and 572,786.20

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Solution

The fourth proportional to 1,637,709.40, 2,455,689.30 and 572,786.20 is: 858,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,709.40 : 2,455,689.30 = 572,786.20 : x
  2. Step 2: Convert to fraction form
    1,637,709.40/2,455,689.30 = 572,786.20/x
  3. Step 3: Cross multiply
    1,637,709.40x = 2,455,689.30 × 572,786.20
  4. Step 4: Simplify right side
    1,637,709.40x = 1,406,584,942,527.66
  5. Step 5: Solve for x
    x = 1,406,584,942,527.66/1,637,709.40
  6. Step 6: Final answer
    x = 858,873.34

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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.