Home / 1,690,512.60-2,534,966.13-980,758.20

Finding the Fourth Proportional to 1,690,512.60, 2,534,966.13 and 980,758.20

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Solution

The fourth proportional to 1,690,512.60, 2,534,966.13 and 980,758.20 is: 1,470,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,512.60 : 2,534,966.13 = 980,758.20 : x
  2. Step 2: Convert to fraction form
    1,690,512.60/2,534,966.13 = 980,758.20/x
  3. Step 3: Cross multiply
    1,690,512.60x = 2,534,966.13 × 980,758.20
  4. Step 4: Simplify right side
    1,690,512.60x = 2,486,188,818,719.77
  5. Step 5: Solve for x
    x = 2,486,188,818,719.77/1,690,512.60
  6. Step 6: Final answer
    x = 1,470,671.57

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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.