Home / 1,248,317.28-1,722,672-675,358.56

Finding the Fourth Proportional to 1,248,317.28, 1,722,672 and 675,358.56

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Solution

The fourth proportional to 1,248,317.28, 1,722,672 and 675,358.56 is: 931,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,317.28 : 1,722,672 = 675,358.56 : x
  2. Step 2: Convert to fraction form
    1,248,317.28/1,722,672 = 675,358.56/x
  3. Step 3: Cross multiply
    1,248,317.28x = 1,722,672 × 675,358.56
  4. Step 4: Simplify right side
    1,248,317.28x = 1,163,421,281,272.32
  5. Step 5: Solve for x
    x = 1,163,421,281,272.32/1,248,317.28
  6. Step 6: Final answer
    x = 931,991.65

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1.5x scale

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.