Home / 1,355,881.62-1,871,111.50-744,044.61

Finding the Fourth Proportional to 1,355,881.62, 1,871,111.50 and 744,044.61

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Solution

The fourth proportional to 1,355,881.62, 1,871,111.50 and 744,044.61 is: 1,026,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,881.62 : 1,871,111.50 = 744,044.61 : x
  2. Step 2: Convert to fraction form
    1,355,881.62/1,871,111.50 = 744,044.61/x
  3. Step 3: Cross multiply
    1,355,881.62x = 1,871,111.50 × 744,044.61
  4. Step 4: Simplify right side
    1,355,881.62x = 1,392,190,424,423.90
  5. Step 5: Solve for x
    x = 1,392,190,424,423.90/1,355,881.62
  6. Step 6: Final answer
    x = 1,026,778.74

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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.