Home / 1,395,410.46-1,925,686.64-783,695.64

Finding the Fourth Proportional to 1,395,410.46, 1,925,686.64 and 783,695.64

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Solution

The fourth proportional to 1,395,410.46, 1,925,686.64 and 783,695.64 is: 1,081,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,410.46 : 1,925,686.64 = 783,695.64 : x
  2. Step 2: Convert to fraction form
    1,395,410.46/1,925,686.64 = 783,695.64/x
  3. Step 3: Cross multiply
    1,395,410.46x = 1,925,686.64 × 783,695.64
  4. Step 4: Simplify right side
    1,395,410.46x = 1,509,152,223,774.25
  5. Step 5: Solve for x
    x = 1,509,152,223,774.25/1,395,410.46
  6. Step 6: Final answer
    x = 1,081,511.33

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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.