Home / 1,298,289.06-1,791,675.45-725,392.26

Finding the Fourth Proportional to 1,298,289.06, 1,791,675.45 and 725,392.26

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Solution

The fourth proportional to 1,298,289.06, 1,791,675.45 and 725,392.26 is: 1,001,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,289.06 : 1,791,675.45 = 725,392.26 : x
  2. Step 2: Convert to fraction form
    1,298,289.06/1,791,675.45 = 725,392.26/x
  3. Step 3: Cross multiply
    1,298,289.06x = 1,791,675.45 × 725,392.26
  4. Step 4: Simplify right side
    1,298,289.06x = 1,299,667,503,862.02
  5. Step 5: Solve for x
    x = 1,299,667,503,862.02/1,298,289.06
  6. Step 6: Final answer
    x = 1,001,061.74

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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.