Home / 1,290,924.08-1,781,181.24-747,046.16

Finding the Fourth Proportional to 1,290,924.08, 1,781,181.24 and 747,046.16

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Solution

The fourth proportional to 1,290,924.08, 1,781,181.24 and 747,046.16 is: 1,030,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,924.08 : 1,781,181.24 = 747,046.16 : x
  2. Step 2: Convert to fraction form
    1,290,924.08/1,781,181.24 = 747,046.16/x
  3. Step 3: Cross multiply
    1,290,924.08x = 1,781,181.24 × 747,046.16
  4. Step 4: Simplify right side
    1,290,924.08x = 1,330,624,605,606.04
  5. Step 5: Solve for x
    x = 1,330,624,605,606.04/1,290,924.08
  6. Step 6: Final answer
    x = 1,030,753.57

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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.