Home / 1,637,231.20-2,455,409.40-499,991.20

Finding the Fourth Proportional to 1,637,231.20, 2,455,409.40 and 499,991.20

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Solution

The fourth proportional to 1,637,231.20, 2,455,409.40 and 499,991.20 is: 749,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,231.20 : 2,455,409.40 = 499,991.20 : x
  2. Step 2: Convert to fraction form
    1,637,231.20/2,455,409.40 = 499,991.20/x
  3. Step 3: Cross multiply
    1,637,231.20x = 2,455,409.40 × 499,991.20
  4. Step 4: Simplify right side
    1,637,231.20x = 1,227,683,092,397.28
  5. Step 5: Solve for x
    x = 1,227,683,092,397.28/1,637,231.20
  6. Step 6: Final answer
    x = 749,853.22

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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.