Home / 1,637,624.80-2,456,782.80-515,807.20

Finding the Fourth Proportional to 1,637,624.80, 2,456,782.80 and 515,807.20

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Solution

The fourth proportional to 1,637,624.80, 2,456,782.80 and 515,807.20 is: 773,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,624.80 : 2,456,782.80 = 515,807.20 : x
  2. Step 2: Convert to fraction form
    1,637,624.80/2,456,782.80 = 515,807.20/x
  3. Step 3: Cross multiply
    1,637,624.80x = 2,456,782.80 × 515,807.20
  4. Step 4: Simplify right side
    1,637,624.80x = 1,267,226,257,076.16
  5. Step 5: Solve for x
    x = 1,267,226,257,076.16/1,637,624.80
  6. Step 6: Final answer
    x = 773,819.65

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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.