Home / 1,480,080.51-2,219,731.97-638,445.15

Finding the Fourth Proportional to 1,480,080.51, 2,219,731.97 and 638,445.15

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Solution

The fourth proportional to 1,480,080.51, 2,219,731.97 and 638,445.15 is: 957,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,080.51 : 2,219,731.97 = 638,445.15 : x
  2. Step 2: Convert to fraction form
    1,480,080.51/2,219,731.97 = 638,445.15/x
  3. Step 3: Cross multiply
    1,480,080.51x = 2,219,731.97 × 638,445.15
  4. Step 4: Simplify right side
    1,480,080.51x = 1,417,177,107,354.22
  5. Step 5: Solve for x
    x = 1,417,177,107,354.22/1,480,080.51
  6. Step 6: Final answer
    x = 957,500.01

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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.