Home / 1,155,449.42-1,732,500.21-480,722.15

Finding the Fourth Proportional to 1,155,449.42, 1,732,500.21 and 480,722.15

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Solution

The fourth proportional to 1,155,449.42, 1,732,500.21 and 480,722.15 is: 720,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,449.42 : 1,732,500.21 = 480,722.15 : x
  2. Step 2: Convert to fraction form
    1,155,449.42/1,732,500.21 = 480,722.15/x
  3. Step 3: Cross multiply
    1,155,449.42x = 1,732,500.21 × 480,722.15
  4. Step 4: Simplify right side
    1,155,449.42x = 832,851,225,826.65
  5. Step 5: Solve for x
    x = 832,851,225,826.65/1,155,449.42
  6. Step 6: Final answer
    x = 720,802.84

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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.