Home / 1,378,095.66-1,901,857.94-766,385.08

Finding the Fourth Proportional to 1,378,095.66, 1,901,857.94 and 766,385.08

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Solution

The fourth proportional to 1,378,095.66, 1,901,857.94 and 766,385.08 is: 1,057,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,095.66 : 1,901,857.94 = 766,385.08 : x
  2. Step 2: Convert to fraction form
    1,378,095.66/1,901,857.94 = 766,385.08/x
  3. Step 3: Cross multiply
    1,378,095.66x = 1,901,857.94 × 766,385.08
  4. Step 4: Simplify right side
    1,378,095.66x = 1,457,555,549,495.54
  5. Step 5: Solve for x
    x = 1,457,555,549,495.54/1,378,095.66
  6. Step 6: Final answer
    x = 1,057,659.20

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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.