Home / 1,540,284.32-2,309,935.08-529,162.40

Finding the Fourth Proportional to 1,540,284.32, 2,309,935.08 and 529,162.40

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Solution

The fourth proportional to 1,540,284.32, 2,309,935.08 and 529,162.40 is: 793,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,284.32 : 2,309,935.08 = 529,162.40 : x
  2. Step 2: Convert to fraction form
    1,540,284.32/2,309,935.08 = 529,162.40/x
  3. Step 3: Cross multiply
    1,540,284.32x = 2,309,935.08 × 529,162.40
  4. Step 4: Simplify right side
    1,540,284.32x = 1,222,330,790,776.99
  5. Step 5: Solve for x
    x = 1,222,330,790,776.99/1,540,284.32
  6. Step 6: Final answer
    x = 793,574.78

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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.