Home / 1,138,409.10-1,708,769.13-570,197.34

Finding the Fourth Proportional to 1,138,409.10, 1,708,769.13 and 570,197.34

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Solution

The fourth proportional to 1,138,409.10, 1,708,769.13 and 570,197.34 is: 855,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,409.10 : 1,708,769.13 = 570,197.34 : x
  2. Step 2: Convert to fraction form
    1,138,409.10/1,708,769.13 = 570,197.34/x
  3. Step 3: Cross multiply
    1,138,409.10x = 1,708,769.13 × 570,197.34
  4. Step 4: Simplify right side
    1,138,409.10x = 974,335,612,600.11
  5. Step 5: Solve for x
    x = 974,335,612,600.11/1,138,409.10
  6. Step 6: Final answer
    x = 855,874.76

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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.