Home / 1,445,606.51-2,167,988.04-485,953.64

Finding the Fourth Proportional to 1,445,606.51, 2,167,988.04 and 485,953.64

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Solution

The fourth proportional to 1,445,606.51, 2,167,988.04 and 485,953.64 is: 728,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,606.51 : 2,167,988.04 = 485,953.64 : x
  2. Step 2: Convert to fraction form
    1,445,606.51/2,167,988.04 = 485,953.64/x
  3. Step 3: Cross multiply
    1,445,606.51x = 2,167,988.04 × 485,953.64
  4. Step 4: Simplify right side
    1,445,606.51x = 1,053,541,668,674.53
  5. Step 5: Solve for x
    x = 1,053,541,668,674.53/1,445,606.51
  6. Step 6: Final answer
    x = 728,788.69

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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.