Home / 1,749,321.57-2,413,989.18-974,911.20

Finding the Fourth Proportional to 1,749,321.57, 2,413,989.18 and 974,911.20

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Solution

The fourth proportional to 1,749,321.57, 2,413,989.18 and 974,911.20 is: 1,345,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,321.57 : 2,413,989.18 = 974,911.20 : x
  2. Step 2: Convert to fraction form
    1,749,321.57/2,413,989.18 = 974,911.20/x
  3. Step 3: Cross multiply
    1,749,321.57x = 2,413,989.18 × 974,911.20
  4. Step 4: Simplify right side
    1,749,321.57x = 2,353,425,088,260.82
  5. Step 5: Solve for x
    x = 2,353,425,088,260.82/1,749,321.57
  6. Step 6: Final answer
    x = 1,345,335.89

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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.