Home / 1,237,130.72-1,855,986.59-384,158.33

Finding the Fourth Proportional to 1,237,130.72, 1,855,986.59 and 384,158.33

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Solution

The fourth proportional to 1,237,130.72, 1,855,986.59 and 384,158.33 is: 576,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,130.72 : 1,855,986.59 = 384,158.33 : x
  2. Step 2: Convert to fraction form
    1,237,130.72/1,855,986.59 = 384,158.33/x
  3. Step 3: Cross multiply
    1,237,130.72x = 1,855,986.59 × 384,158.33
  4. Step 4: Simplify right side
    1,237,130.72x = 712,992,700,597.26
  5. Step 5: Solve for x
    x = 712,992,700,597.26/1,237,130.72
  6. Step 6: Final answer
    x = 576,327.70

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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.