Home / 1,122,645.92-1,550,890.56-971,480.48

Finding the Fourth Proportional to 1,122,645.92, 1,550,890.56 and 971,480.48

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Solution

The fourth proportional to 1,122,645.92, 1,550,890.56 and 971,480.48 is: 1,342,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,645.92 : 1,550,890.56 = 971,480.48 : x
  2. Step 2: Convert to fraction form
    1,122,645.92/1,550,890.56 = 971,480.48/x
  3. Step 3: Cross multiply
    1,122,645.92x = 1,550,890.56 × 971,480.48
  4. Step 4: Simplify right side
    1,122,645.92x = 1,506,659,905,656.27
  5. Step 5: Solve for x
    x = 1,506,659,905,656.27/1,122,645.92
  6. Step 6: Final answer
    x = 1,342,061.53

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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.