Home / 1,355,893.15-1,870,669.08-774,699.26

Finding the Fourth Proportional to 1,355,893.15, 1,870,669.08 and 774,699.26

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Solution

The fourth proportional to 1,355,893.15, 1,870,669.08 and 774,699.26 is: 1,068,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,893.15 : 1,870,669.08 = 774,699.26 : x
  2. Step 2: Convert to fraction form
    1,355,893.15/1,870,669.08 = 774,699.26/x
  3. Step 3: Cross multiply
    1,355,893.15x = 1,870,669.08 × 774,699.26
  4. Step 4: Simplify right side
    1,355,893.15x = 1,449,205,951,980.88
  5. Step 5: Solve for x
    x = 1,449,205,951,980.88/1,355,893.15
  6. Step 6: Final answer
    x = 1,068,820.17

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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.