Home / 1,149,483.72-1,724,536.81-429,898.51

Finding the Fourth Proportional to 1,149,483.72, 1,724,536.81 and 429,898.51

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Solution

The fourth proportional to 1,149,483.72, 1,724,536.81 and 429,898.51 is: 644,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,483.72 : 1,724,536.81 = 429,898.51 : x
  2. Step 2: Convert to fraction form
    1,149,483.72/1,724,536.81 = 429,898.51/x
  3. Step 3: Cross multiply
    1,149,483.72x = 1,724,536.81 × 429,898.51
  4. Step 4: Simplify right side
    1,149,483.72x = 741,375,798,051.68
  5. Step 5: Solve for x
    x = 741,375,798,051.68/1,149,483.72
  6. Step 6: Final answer
    x = 644,964.15

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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.