Home / 1,653,224.40-2,480,782.68-642,215.34

Finding the Fourth Proportional to 1,653,224.40, 2,480,782.68 and 642,215.34

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Solution

The fourth proportional to 1,653,224.40, 2,480,782.68 and 642,215.34 is: 963,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,224.40 : 2,480,782.68 = 642,215.34 : x
  2. Step 2: Convert to fraction form
    1,653,224.40/2,480,782.68 = 642,215.34/x
  3. Step 3: Cross multiply
    1,653,224.40x = 2,480,782.68 × 642,215.34
  4. Step 4: Simplify right side
    1,653,224.40x = 1,593,196,692,302.31
  5. Step 5: Solve for x
    x = 1,593,196,692,302.31/1,653,224.40
  6. Step 6: Final answer
    x = 963,690.53

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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.