Home / 1,107,397.76-1,661,096.70-359,443.76

Finding the Fourth Proportional to 1,107,397.76, 1,661,096.70 and 359,443.76

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Solution

The fourth proportional to 1,107,397.76, 1,661,096.70 and 359,443.76 is: 539,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,397.76 : 1,661,096.70 = 359,443.76 : x
  2. Step 2: Convert to fraction form
    1,107,397.76/1,661,096.70 = 359,443.76/x
  3. Step 3: Cross multiply
    1,107,397.76x = 1,661,096.70 × 359,443.76
  4. Step 4: Simplify right side
    1,107,397.76x = 597,070,835,266.11
  5. Step 5: Solve for x
    x = 597,070,835,266.11/1,107,397.76
  6. Step 6: Final answer
    x = 539,165.65

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1.5x scale

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.