Home / 1,377,610.08-1,901,088.72-765,746.88

Finding the Fourth Proportional to 1,377,610.08, 1,901,088.72 and 765,746.88

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Solution

The fourth proportional to 1,377,610.08, 1,901,088.72 and 765,746.88 is: 1,056,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,610.08 : 1,901,088.72 = 765,746.88 : x
  2. Step 2: Convert to fraction form
    1,377,610.08/1,901,088.72 = 765,746.88/x
  3. Step 3: Cross multiply
    1,377,610.08x = 1,901,088.72 × 765,746.88
  4. Step 4: Simplify right side
    1,377,610.08x = 1,455,752,755,943.19
  5. Step 5: Solve for x
    x = 1,455,752,755,943.19/1,377,610.08
  6. Step 6: Final answer
    x = 1,056,723.36

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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.