Home / 1,445,355.28-1,994,429.04-800,615.68

Finding the Fourth Proportional to 1,445,355.28, 1,994,429.04 and 800,615.68

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Solution

The fourth proportional to 1,445,355.28, 1,994,429.04 and 800,615.68 is: 1,104,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,355.28 : 1,994,429.04 = 800,615.68 : x
  2. Step 2: Convert to fraction form
    1,445,355.28/1,994,429.04 = 800,615.68/x
  3. Step 3: Cross multiply
    1,445,355.28x = 1,994,429.04 × 800,615.68
  4. Step 4: Simplify right side
    1,445,355.28x = 1,596,771,162,071.35
  5. Step 5: Solve for x
    x = 1,596,771,162,071.35/1,445,355.28
  6. Step 6: Final answer
    x = 1,104,760.32

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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.