Home / 1,240,469.47-1,712,032.99-757,314.69

Finding the Fourth Proportional to 1,240,469.47, 1,712,032.99 and 757,314.69

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Solution

The fourth proportional to 1,240,469.47, 1,712,032.99 and 757,314.69 is: 1,045,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,469.47 : 1,712,032.99 = 757,314.69 : x
  2. Step 2: Convert to fraction form
    1,240,469.47/1,712,032.99 = 757,314.69/x
  3. Step 3: Cross multiply
    1,240,469.47x = 1,712,032.99 × 757,314.69
  4. Step 4: Simplify right side
    1,240,469.47x = 1,296,547,733,091.62
  5. Step 5: Solve for x
    x = 1,296,547,733,091.62/1,240,469.47
  6. Step 6: Final answer
    x = 1,045,207.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.