Home / 1,299,840.90-1,950,913.35-766,695.30

Finding the Fourth Proportional to 1,299,840.90, 1,950,913.35 and 766,695.30

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Solution

The fourth proportional to 1,299,840.90, 1,950,913.35 and 766,695.30 is: 1,150,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,840.90 : 1,950,913.35 = 766,695.30 : x
  2. Step 2: Convert to fraction form
    1,299,840.90/1,950,913.35 = 766,695.30/x
  3. Step 3: Cross multiply
    1,299,840.90x = 1,950,913.35 × 766,695.30
  4. Step 4: Simplify right side
    1,299,840.90x = 1,495,756,096,152.26
  5. Step 5: Solve for x
    x = 1,495,756,096,152.26/1,299,840.90
  6. Step 6: Final answer
    x = 1,150,722.44

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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.