Home / 1,023,306.37-1,534,627.40-340,009.72

Finding the Fourth Proportional to 1,023,306.37, 1,534,627.40 and 340,009.72

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Solution

The fourth proportional to 1,023,306.37, 1,534,627.40 and 340,009.72 is: 509,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,306.37 : 1,534,627.40 = 340,009.72 : x
  2. Step 2: Convert to fraction form
    1,023,306.37/1,534,627.40 = 340,009.72/x
  3. Step 3: Cross multiply
    1,023,306.37x = 1,534,627.40 × 340,009.72
  4. Step 4: Simplify right side
    1,023,306.37x = 521,788,232,578.33
  5. Step 5: Solve for x
    x = 521,788,232,578.33/1,023,306.37
  6. Step 6: Final answer
    x = 509,904.22

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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.