Home / 1,488,295.34-2,231,720.81-872,967.39

Finding the Fourth Proportional to 1,488,295.34, 2,231,720.81 and 872,967.39

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Solution

The fourth proportional to 1,488,295.34, 2,231,720.81 and 872,967.39 is: 1,309,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,295.34 : 2,231,720.81 = 872,967.39 : x
  2. Step 2: Convert to fraction form
    1,488,295.34/2,231,720.81 = 872,967.39/x
  3. Step 3: Cross multiply
    1,488,295.34x = 2,231,720.81 × 872,967.39
  4. Step 4: Simplify right side
    1,488,295.34x = 1,948,219,490,714.39
  5. Step 5: Solve for x
    x = 1,948,219,490,714.39/1,488,295.34
  6. Step 6: Final answer
    x = 1,309,027.47

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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.