Home / 1,310,701.25-1,808,402.21-845,358.23

Finding the Fourth Proportional to 1,310,701.25, 1,808,402.21 and 845,358.23

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Solution

The fourth proportional to 1,310,701.25, 1,808,402.21 and 845,358.23 is: 1,166,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,701.25 : 1,808,402.21 = 845,358.23 : x
  2. Step 2: Convert to fraction form
    1,310,701.25/1,808,402.21 = 845,358.23/x
  3. Step 3: Cross multiply
    1,310,701.25x = 1,808,402.21 × 845,358.23
  4. Step 4: Simplify right side
    1,310,701.25x = 1,528,747,691,373.69
  5. Step 5: Solve for x
    x = 1,528,747,691,373.69/1,310,701.25
  6. Step 6: Final answer
    x = 1,166,358.61

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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.