Home / 1,656,626.87-2,484,994.70-458,448.85

Finding the Fourth Proportional to 1,656,626.87, 2,484,994.70 and 458,448.85

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Solution

The fourth proportional to 1,656,626.87, 2,484,994.70 and 458,448.85 is: 687,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,626.87 : 2,484,994.70 = 458,448.85 : x
  2. Step 2: Convert to fraction form
    1,656,626.87/2,484,994.70 = 458,448.85/x
  3. Step 3: Cross multiply
    1,656,626.87x = 2,484,994.70 × 458,448.85
  4. Step 4: Simplify right side
    1,656,626.87x = 1,139,242,962,471.10
  5. Step 5: Solve for x
    x = 1,139,242,962,471.10/1,656,626.87
  6. Step 6: Final answer
    x = 687,688.33

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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.