Home / 1,237,143.78-1,855,300.55-553,602.33

Finding the Fourth Proportional to 1,237,143.78, 1,855,300.55 and 553,602.33

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Solution

The fourth proportional to 1,237,143.78, 1,855,300.55 and 553,602.33 is: 830,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,143.78 : 1,855,300.55 = 553,602.33 : x
  2. Step 2: Convert to fraction form
    1,237,143.78/1,855,300.55 = 553,602.33/x
  3. Step 3: Cross multiply
    1,237,143.78x = 1,855,300.55 × 553,602.33
  4. Step 4: Simplify right side
    1,237,143.78x = 1,027,098,704,562.27
  5. Step 5: Solve for x
    x = 1,027,098,704,562.27/1,237,143.78
  6. Step 6: Final answer
    x = 830,217.73

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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.