Home / 1,293,305.51-1,784,762.10-749,756.39

Finding the Fourth Proportional to 1,293,305.51, 1,784,762.10 and 749,756.39

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Solution

The fourth proportional to 1,293,305.51, 1,784,762.10 and 749,756.39 is: 1,034,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,305.51 : 1,784,762.10 = 749,756.39 : x
  2. Step 2: Convert to fraction form
    1,293,305.51/1,784,762.10 = 749,756.39/x
  3. Step 3: Cross multiply
    1,293,305.51x = 1,784,762.10 × 749,756.39
  4. Step 4: Simplify right side
    1,293,305.51x = 1,338,136,789,104.82
  5. Step 5: Solve for x
    x = 1,338,136,789,104.82/1,293,305.51
  6. Step 6: Final answer
    x = 1,034,664.11

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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.