Home / 1,553,391.30-2,142,575.76-1,036,884.81

Finding the Fourth Proportional to 1,553,391.30, 2,142,575.76 and 1,036,884.81

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Solution

The fourth proportional to 1,553,391.30, 2,142,575.76 and 1,036,884.81 is: 1,430,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,391.30 : 2,142,575.76 = 1,036,884.81 : x
  2. Step 2: Convert to fraction form
    1,553,391.30/2,142,575.76 = 1,036,884.81/x
  3. Step 3: Cross multiply
    1,553,391.30x = 2,142,575.76 × 1,036,884.81
  4. Step 4: Simplify right side
    1,553,391.30x = 2,221,604,259,818.21
  5. Step 5: Solve for x
    x = 2,221,604,259,818.21/1,553,391.30
  6. Step 6: Final answer
    x = 1,430,163.96

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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.