Home / 1,307,705.64-1,804,784.99-763,977.35

Finding the Fourth Proportional to 1,307,705.64, 1,804,784.99 and 763,977.35

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Solution

The fourth proportional to 1,307,705.64, 1,804,784.99 and 763,977.35 is: 1,054,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,705.64 : 1,804,784.99 = 763,977.35 : x
  2. Step 2: Convert to fraction form
    1,307,705.64/1,804,784.99 = 763,977.35/x
  3. Step 3: Cross multiply
    1,307,705.64x = 1,804,784.99 × 763,977.35
  4. Step 4: Simplify right side
    1,307,705.64x = 1,378,814,853,979.98
  5. Step 5: Solve for x
    x = 1,378,814,853,979.98/1,307,705.64
  6. Step 6: Final answer
    x = 1,054,377.08

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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.