Home / 1,056,009.30-1,581,249.15-773,999.70

Finding the Fourth Proportional to 1,056,009.30, 1,581,249.15 and 773,999.70

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Solution

The fourth proportional to 1,056,009.30, 1,581,249.15 and 773,999.70 is: 1,158,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,009.30 : 1,581,249.15 = 773,999.70 : x
  2. Step 2: Convert to fraction form
    1,056,009.30/1,581,249.15 = 773,999.70/x
  3. Step 3: Cross multiply
    1,056,009.30x = 1,581,249.15 × 773,999.70
  4. Step 4: Simplify right side
    1,056,009.30x = 1,223,886,367,725.25
  5. Step 5: Solve for x
    x = 1,223,886,367,725.25/1,056,009.30
  6. Step 6: Final answer
    x = 1,158,973.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.