Home / 1,256,950.56-1,885,721.04-415,502.16

Finding the Fourth Proportional to 1,256,950.56, 1,885,721.04 and 415,502.16

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Solution

The fourth proportional to 1,256,950.56, 1,885,721.04 and 415,502.16 is: 623,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,950.56 : 1,885,721.04 = 415,502.16 : x
  2. Step 2: Convert to fraction form
    1,256,950.56/1,885,721.04 = 415,502.16/x
  3. Step 3: Cross multiply
    1,256,950.56x = 1,885,721.04 × 415,502.16
  4. Step 4: Simplify right side
    1,256,950.56x = 783,521,165,277.45
  5. Step 5: Solve for x
    x = 783,521,165,277.45/1,256,950.56
  6. Step 6: Final answer
    x = 623,350.82

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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.