Home / 1,342,734.57-1,852,977.06-730,887.30

Finding the Fourth Proportional to 1,342,734.57, 1,852,977.06 and 730,887.30

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Solution

The fourth proportional to 1,342,734.57, 1,852,977.06 and 730,887.30 is: 1,008,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,734.57 : 1,852,977.06 = 730,887.30 : x
  2. Step 2: Convert to fraction form
    1,342,734.57/1,852,977.06 = 730,887.30/x
  3. Step 3: Cross multiply
    1,342,734.57x = 1,852,977.06 × 730,887.30
  4. Step 4: Simplify right side
    1,342,734.57x = 1,354,317,400,345.34
  5. Step 5: Solve for x
    x = 1,354,317,400,345.34/1,342,734.57
  6. Step 6: Final answer
    x = 1,008,626.30

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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.