Home / 837,374.60-1,155,837.13-665,597.36

Finding the Fourth Proportional to 837,374.60, 1,155,837.13 and 665,597.36

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Solution

The fourth proportional to 837,374.60, 1,155,837.13 and 665,597.36 is: 918,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,374.60 : 1,155,837.13 = 665,597.36 : x
  2. Step 2: Convert to fraction form
    837,374.60/1,155,837.13 = 665,597.36/x
  3. Step 3: Cross multiply
    837,374.60x = 1,155,837.13 × 665,597.36
  4. Step 4: Simplify right side
    837,374.60x = 769,322,142,317.98
  5. Step 5: Solve for x
    x = 769,322,142,317.98/837,374.60
  6. Step 6: Final answer
    x = 918,731.17

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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.