Home / 1,248,435.28-1,722,840.66-675,475.45

Finding the Fourth Proportional to 1,248,435.28, 1,722,840.66 and 675,475.45

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Solution

The fourth proportional to 1,248,435.28, 1,722,840.66 and 675,475.45 is: 932,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,435.28 : 1,722,840.66 = 675,475.45 : x
  2. Step 2: Convert to fraction form
    1,248,435.28/1,722,840.66 = 675,475.45/x
  3. Step 3: Cross multiply
    1,248,435.28x = 1,722,840.66 × 675,475.45
  4. Step 4: Simplify right side
    1,248,435.28x = 1,163,736,570,091.80
  5. Step 5: Solve for x
    x = 1,163,736,570,091.80/1,248,435.28
  6. Step 6: Final answer
    x = 932,156.11

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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.