Home / 1,106,903.70-1,660,355.55-358,949.70

Finding the Fourth Proportional to 1,106,903.70, 1,660,355.55 and 358,949.70

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Solution

The fourth proportional to 1,106,903.70, 1,660,355.55 and 358,949.70 is: 538,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,903.70 : 1,660,355.55 = 358,949.70 : x
  2. Step 2: Convert to fraction form
    1,106,903.70/1,660,355.55 = 358,949.70/x
  3. Step 3: Cross multiply
    1,106,903.70x = 1,660,355.55 × 358,949.70
  4. Step 4: Simplify right side
    1,106,903.70x = 595,984,126,565.84
  5. Step 5: Solve for x
    x = 595,984,126,565.84/1,106,903.70
  6. Step 6: Final answer
    x = 538,424.55

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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.