Home / 1,152,666.40-1,729,256.88-354,028.72

Finding the Fourth Proportional to 1,152,666.40, 1,729,256.88 and 354,028.72

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Solution

The fourth proportional to 1,152,666.40, 1,729,256.88 and 354,028.72 is: 531,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,666.40 : 1,729,256.88 = 354,028.72 : x
  2. Step 2: Convert to fraction form
    1,152,666.40/1,729,256.88 = 354,028.72/x
  3. Step 3: Cross multiply
    1,152,666.40x = 1,729,256.88 × 354,028.72
  4. Step 4: Simplify right side
    1,152,666.40x = 612,206,599,777.59
  5. Step 5: Solve for x
    x = 612,206,599,777.59/1,152,666.40
  6. Step 6: Final answer
    x = 531,122.10

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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.