Home / 1,488,015.10-2,232,541.05-647,170.30

Finding the Fourth Proportional to 1,488,015.10, 2,232,541.05 and 647,170.30

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Solution

The fourth proportional to 1,488,015.10, 2,232,541.05 and 647,170.30 is: 970,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,015.10 : 2,232,541.05 = 647,170.30 : x
  2. Step 2: Convert to fraction form
    1,488,015.10/2,232,541.05 = 647,170.30/x
  3. Step 3: Cross multiply
    1,488,015.10x = 2,232,541.05 × 647,170.30
  4. Step 4: Simplify right side
    1,488,015.10x = 1,444,834,261,090.82
  5. Step 5: Solve for x
    x = 1,444,834,261,090.82/1,488,015.10
  6. Step 6: Final answer
    x = 970,980.91

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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.