Home / 1,345,670.58-2,016,220.92-812,070.39

Finding the Fourth Proportional to 1,345,670.58, 2,016,220.92 and 812,070.39

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Solution

The fourth proportional to 1,345,670.58, 2,016,220.92 and 812,070.39 is: 1,216,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,670.58 : 2,016,220.92 = 812,070.39 : x
  2. Step 2: Convert to fraction form
    1,345,670.58/2,016,220.92 = 812,070.39/x
  3. Step 3: Cross multiply
    1,345,670.58x = 2,016,220.92 × 812,070.39
  4. Step 4: Simplify right side
    1,345,670.58x = 1,637,313,308,830.56
  5. Step 5: Solve for x
    x = 1,637,313,308,830.56/1,345,670.58
  6. Step 6: Final answer
    x = 1,216,726.69

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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.