Home / 1,355,446.16-1,870,396.57-774,554.01

Finding the Fourth Proportional to 1,355,446.16, 1,870,396.57 and 774,554.01

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Solution

The fourth proportional to 1,355,446.16, 1,870,396.57 and 774,554.01 is: 1,068,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,446.16 : 1,870,396.57 = 774,554.01 : x
  2. Step 2: Convert to fraction form
    1,355,446.16/1,870,396.57 = 774,554.01/x
  3. Step 3: Cross multiply
    1,355,446.16x = 1,870,396.57 × 774,554.01
  4. Step 4: Simplify right side
    1,355,446.16x = 1,448,723,167,634.00
  5. Step 5: Solve for x
    x = 1,448,723,167,634.00/1,355,446.16
  6. Step 6: Final answer
    x = 1,068,816.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.