Home / 1,455,845.76-2,184,995.52-615,000.96

Finding the Fourth Proportional to 1,455,845.76, 2,184,995.52 and 615,000.96

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Solution

The fourth proportional to 1,455,845.76, 2,184,995.52 and 615,000.96 is: 923,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,845.76 : 2,184,995.52 = 615,000.96 : x
  2. Step 2: Convert to fraction form
    1,455,845.76/2,184,995.52 = 615,000.96/x
  3. Step 3: Cross multiply
    1,455,845.76x = 2,184,995.52 × 615,000.96
  4. Step 4: Simplify right side
    1,455,845.76x = 1,343,774,342,395.70
  5. Step 5: Solve for x
    x = 1,343,774,342,395.70/1,455,845.76
  6. Step 6: Final answer
    x = 923,019.72

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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.