Home / 1,415,279.22-1,953,066-803,426.64

Finding the Fourth Proportional to 1,415,279.22, 1,953,066 and 803,426.64

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Solution

The fourth proportional to 1,415,279.22, 1,953,066 and 803,426.64 is: 1,108,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,279.22 : 1,953,066 = 803,426.64 : x
  2. Step 2: Convert to fraction form
    1,415,279.22/1,953,066 = 803,426.64/x
  3. Step 3: Cross multiply
    1,415,279.22x = 1,953,066 × 803,426.64
  4. Step 4: Simplify right side
    1,415,279.22x = 1,569,145,254,078.24
  5. Step 5: Solve for x
    x = 1,569,145,254,078.24/1,415,279.22
  6. Step 6: Final answer
    x = 1,108,717.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.