Home / 1,480,550.10-2,221,343.55-639,705.30

Finding the Fourth Proportional to 1,480,550.10, 2,221,343.55 and 639,705.30

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Solution

The fourth proportional to 1,480,550.10, 2,221,343.55 and 639,705.30 is: 959,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,550.10 : 2,221,343.55 = 639,705.30 : x
  2. Step 2: Convert to fraction form
    1,480,550.10/2,221,343.55 = 639,705.30/x
  3. Step 3: Cross multiply
    1,480,550.10x = 2,221,343.55 × 639,705.30
  4. Step 4: Simplify right side
    1,480,550.10x = 1,421,005,242,055.82
  5. Step 5: Solve for x
    x = 1,421,005,242,055.82/1,480,550.10
  6. Step 6: Final answer
    x = 959,781.94

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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.