Home / 1,317,686.40-1,976,529.60-897,782.40

Finding the Fourth Proportional to 1,317,686.40, 1,976,529.60 and 897,782.40

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Solution

The fourth proportional to 1,317,686.40, 1,976,529.60 and 897,782.40 is: 1,346,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,686.40 : 1,976,529.60 = 897,782.40 : x
  2. Step 2: Convert to fraction form
    1,317,686.40/1,976,529.60 = 897,782.40/x
  3. Step 3: Cross multiply
    1,317,686.40x = 1,976,529.60 × 897,782.40
  4. Step 4: Simplify right side
    1,317,686.40x = 1,774,493,487,959.04
  5. Step 5: Solve for x
    x = 1,774,493,487,959.04/1,317,686.40
  6. Step 6: Final answer
    x = 1,346,673.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.