Home / 1,362,652.80-1,880,503.47-781,982.16

Finding the Fourth Proportional to 1,362,652.80, 1,880,503.47 and 781,982.16

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Solution

The fourth proportional to 1,362,652.80, 1,880,503.47 and 781,982.16 is: 1,079,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,652.80 : 1,880,503.47 = 781,982.16 : x
  2. Step 2: Convert to fraction form
    1,362,652.80/1,880,503.47 = 781,982.16/x
  3. Step 3: Cross multiply
    1,362,652.80x = 1,880,503.47 × 781,982.16
  4. Step 4: Simplify right side
    1,362,652.80x = 1,470,520,165,358.10
  5. Step 5: Solve for x
    x = 1,470,520,165,358.10/1,362,652.80
  6. Step 6: Final answer
    x = 1,079,159.83

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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.