Home / 1,615,117.32-2,419,571.22-902,985.72

Finding the Fourth Proportional to 1,615,117.32, 2,419,571.22 and 902,985.72

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Solution

The fourth proportional to 1,615,117.32, 2,419,571.22 and 902,985.72 is: 1,352,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,117.32 : 2,419,571.22 = 902,985.72 : x
  2. Step 2: Convert to fraction form
    1,615,117.32/2,419,571.22 = 902,985.72/x
  3. Step 3: Cross multiply
    1,615,117.32x = 2,419,571.22 × 902,985.72
  4. Step 4: Simplify right side
    1,615,117.32x = 2,184,838,260,182.98
  5. Step 5: Solve for x
    x = 2,184,838,260,182.98/1,615,117.32
  6. Step 6: Final answer
    x = 1,352,742.76

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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.