Home / 1,720,921.75-2,374,876.74-946,631.91

Finding the Fourth Proportional to 1,720,921.75, 2,374,876.74 and 946,631.91

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Solution

The fourth proportional to 1,720,921.75, 2,374,876.74 and 946,631.91 is: 1,306,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,921.75 : 2,374,876.74 = 946,631.91 : x
  2. Step 2: Convert to fraction form
    1,720,921.75/2,374,876.74 = 946,631.91/x
  3. Step 3: Cross multiply
    1,720,921.75x = 2,374,876.74 × 946,631.91
  4. Step 4: Simplify right side
    1,720,921.75x = 2,248,134,104,400.77
  5. Step 5: Solve for x
    x = 2,248,134,104,400.77/1,720,921.75
  6. Step 6: Final answer
    x = 1,306,354.64

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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.