Home / 1,488,481.40-2,232,722.10-856,875.80

Finding the Fourth Proportional to 1,488,481.40, 2,232,722.10 and 856,875.80

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Solution

The fourth proportional to 1,488,481.40, 2,232,722.10 and 856,875.80 is: 1,285,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,481.40 : 2,232,722.10 = 856,875.80 : x
  2. Step 2: Convert to fraction form
    1,488,481.40/2,232,722.10 = 856,875.80/x
  3. Step 3: Cross multiply
    1,488,481.40x = 2,232,722.10 × 856,875.80
  4. Step 4: Simplify right side
    1,488,481.40x = 1,913,165,535,615.18
  5. Step 5: Solve for x
    x = 1,913,165,535,615.18/1,488,481.40
  6. Step 6: Final answer
    x = 1,285,313.70

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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.