Home / 1,317,247.45-1,817,135.56-881,683.32

Finding the Fourth Proportional to 1,317,247.45, 1,817,135.56 and 881,683.32

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Solution

The fourth proportional to 1,317,247.45, 1,817,135.56 and 881,683.32 is: 1,216,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,247.45 : 1,817,135.56 = 881,683.32 : x
  2. Step 2: Convert to fraction form
    1,317,247.45/1,817,135.56 = 881,683.32/x
  3. Step 3: Cross multiply
    1,317,247.45x = 1,817,135.56 × 881,683.32
  4. Step 4: Simplify right side
    1,317,247.45x = 1,602,138,113,430.86
  5. Step 5: Solve for x
    x = 1,602,138,113,430.86/1,317,247.45
  6. Step 6: Final answer
    x = 1,216,277.26

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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.