Home / 1,576,396.08-2,173,159.20-1,122,899.76

Finding the Fourth Proportional to 1,576,396.08, 2,173,159.20 and 1,122,899.76

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Solution

The fourth proportional to 1,576,396.08, 2,173,159.20 and 1,122,899.76 is: 1,547,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,396.08 : 2,173,159.20 = 1,122,899.76 : x
  2. Step 2: Convert to fraction form
    1,576,396.08/2,173,159.20 = 1,122,899.76/x
  3. Step 3: Cross multiply
    1,576,396.08x = 2,173,159.20 × 1,122,899.76
  4. Step 4: Simplify right side
    1,576,396.08x = 2,440,239,944,121.79
  5. Step 5: Solve for x
    x = 2,440,239,944,121.79/1,576,396.08
  6. Step 6: Final answer
    x = 1,547,986.56

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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.