Home / 1,019,447.13-1,528,215.70-345,056.52

Finding the Fourth Proportional to 1,019,447.13, 1,528,215.70 and 345,056.52

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Solution

The fourth proportional to 1,019,447.13, 1,528,215.70 and 345,056.52 is: 517,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,447.13 : 1,528,215.70 = 345,056.52 : x
  2. Step 2: Convert to fraction form
    1,019,447.13/1,528,215.70 = 345,056.52/x
  3. Step 3: Cross multiply
    1,019,447.13x = 1,528,215.70 × 345,056.52
  4. Step 4: Simplify right side
    1,019,447.13x = 527,320,791,251.36
  5. Step 5: Solve for x
    x = 527,320,791,251.36/1,019,447.13
  6. Step 6: Final answer
    x = 517,261.54

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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.