Home / 842,904.90-1,261,246.95-768,255.30

Finding the Fourth Proportional to 842,904.90, 1,261,246.95 and 768,255.30

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Solution

The fourth proportional to 842,904.90, 1,261,246.95 and 768,255.30 is: 1,149,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,904.90 : 1,261,246.95 = 768,255.30 : x
  2. Step 2: Convert to fraction form
    842,904.90/1,261,246.95 = 768,255.30/x
  3. Step 3: Cross multiply
    842,904.90x = 1,261,246.95 × 768,255.30
  4. Step 4: Simplify right side
    842,904.90x = 968,959,653,946.34
  5. Step 5: Solve for x
    x = 968,959,653,946.34/842,904.90
  6. Step 6: Final answer
    x = 1,149,548.01

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1.5x scale

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.