Home / 1,974,420.60-2,961,630.86-478,512.60

Finding the Fourth Proportional to 1,974,420.60, 2,961,630.86 and 478,512.60

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Solution

The fourth proportional to 1,974,420.60, 2,961,630.86 and 478,512.60 is: 717,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,420.60 : 2,961,630.86 = 478,512.60 : x
  2. Step 2: Convert to fraction form
    1,974,420.60/2,961,630.86 = 478,512.60/x
  3. Step 3: Cross multiply
    1,974,420.60x = 2,961,630.86 × 478,512.60
  4. Step 4: Simplify right side
    1,974,420.60x = 1,417,177,683,058.84
  5. Step 5: Solve for x
    x = 1,417,177,683,058.84/1,974,420.60
  6. Step 6: Final answer
    x = 717,768.89

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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.