Home / 1,355,305.57-1,870,304.23-774,522.05

Finding the Fourth Proportional to 1,355,305.57, 1,870,304.23 and 774,522.05

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Solution

The fourth proportional to 1,355,305.57, 1,870,304.23 and 774,522.05 is: 1,068,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,305.57 : 1,870,304.23 = 774,522.05 : x
  2. Step 2: Convert to fraction form
    1,355,305.57/1,870,304.23 = 774,522.05/x
  3. Step 3: Cross multiply
    1,355,305.57x = 1,870,304.23 × 774,522.05
  4. Step 4: Simplify right side
    1,355,305.57x = 1,448,591,866,343.27
  5. Step 5: Solve for x
    x = 1,448,591,866,343.27/1,355,305.57
  6. Step 6: Final answer
    x = 1,068,830.45

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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.