Home / 1,415,703.63-2,121,455.52-1,039,889.55

Finding the Fourth Proportional to 1,415,703.63, 2,121,455.52 and 1,039,889.55

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Solution

The fourth proportional to 1,415,703.63, 2,121,455.52 and 1,039,889.55 is: 1,558,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,703.63 : 2,121,455.52 = 1,039,889.55 : x
  2. Step 2: Convert to fraction form
    1,415,703.63/2,121,455.52 = 1,039,889.55/x
  3. Step 3: Cross multiply
    1,415,703.63x = 2,121,455.52 × 1,039,889.55
  4. Step 4: Simplify right side
    1,415,703.63x = 2,206,079,426,037.82
  5. Step 5: Solve for x
    x = 2,206,079,426,037.82/1,415,703.63
  6. Step 6: Final answer
    x = 1,558,291.85

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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.