Home / 1,267,305.35-1,748,814.50-723,419.51

Finding the Fourth Proportional to 1,267,305.35, 1,748,814.50 and 723,419.51

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Solution

The fourth proportional to 1,267,305.35, 1,748,814.50 and 723,419.51 is: 998,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,305.35 : 1,748,814.50 = 723,419.51 : x
  2. Step 2: Convert to fraction form
    1,267,305.35/1,748,814.50 = 723,419.51/x
  3. Step 3: Cross multiply
    1,267,305.35x = 1,748,814.50 × 723,419.51
  4. Step 4: Simplify right side
    1,267,305.35x = 1,265,126,516,309.73
  5. Step 5: Solve for x
    x = 1,265,126,516,309.73/1,267,305.35
  6. Step 6: Final answer
    x = 998,280.74

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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.