Home / 1,342,697.64-1,852,971.65-730,820.83

Finding the Fourth Proportional to 1,342,697.64, 1,852,971.65 and 730,820.83

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Solution

The fourth proportional to 1,342,697.64, 1,852,971.65 and 730,820.83 is: 1,008,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,697.64 : 1,852,971.65 = 730,820.83 : x
  2. Step 2: Convert to fraction form
    1,342,697.64/1,852,971.65 = 730,820.83/x
  3. Step 3: Cross multiply
    1,342,697.64x = 1,852,971.65 × 730,820.83
  4. Step 4: Simplify right side
    1,342,697.64x = 1,354,190,279,219.47
  5. Step 5: Solve for x
    x = 1,354,190,279,219.47/1,342,697.64
  6. Step 6: Final answer
    x = 1,008,559.37

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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.