Home / 1,575,709.20-2,174,389.52-931,189.37

Finding the Fourth Proportional to 1,575,709.20, 2,174,389.52 and 931,189.37

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Solution

The fourth proportional to 1,575,709.20, 2,174,389.52 and 931,189.37 is: 1,284,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,709.20 : 2,174,389.52 = 931,189.37 : x
  2. Step 2: Convert to fraction form
    1,575,709.20/2,174,389.52 = 931,189.37/x
  3. Step 3: Cross multiply
    1,575,709.20x = 2,174,389.52 × 931,189.37
  4. Step 4: Simplify right side
    1,575,709.20x = 2,024,768,391,735.51
  5. Step 5: Solve for x
    x = 2,024,768,391,735.51/1,575,709.20
  6. Step 6: Final answer
    x = 1,284,988.62

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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.