Home / 1,125,341.24-1,687,907.03-315,801.32

Finding the Fourth Proportional to 1,125,341.24, 1,687,907.03 and 315,801.32

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Solution

The fourth proportional to 1,125,341.24, 1,687,907.03 and 315,801.32 is: 473,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,341.24 : 1,687,907.03 = 315,801.32 : x
  2. Step 2: Convert to fraction form
    1,125,341.24/1,687,907.03 = 315,801.32/x
  3. Step 3: Cross multiply
    1,125,341.24x = 1,687,907.03 × 315,801.32
  4. Step 4: Simplify right side
    1,125,341.24x = 533,043,258,092.74
  5. Step 5: Solve for x
    x = 533,043,258,092.74/1,125,341.24
  6. Step 6: Final answer
    x = 473,672.56

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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.