Home / 1,308,223.64-1,962,335.48-409,735.70

Finding the Fourth Proportional to 1,308,223.64, 1,962,335.48 and 409,735.70

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Solution

The fourth proportional to 1,308,223.64, 1,962,335.48 and 409,735.70 is: 614,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,223.64 : 1,962,335.48 = 409,735.70 : x
  2. Step 2: Convert to fraction form
    1,308,223.64/1,962,335.48 = 409,735.70/x
  3. Step 3: Cross multiply
    1,308,223.64x = 1,962,335.48 × 409,735.70
  4. Step 4: Simplify right side
    1,308,223.64x = 804,038,889,672.28
  5. Step 5: Solve for x
    x = 804,038,889,672.28/1,308,223.64
  6. Step 6: Final answer
    x = 614,603.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.