Home / 1,089,283.76-1,634,158.92-457,833.68

Finding the Fourth Proportional to 1,089,283.76, 1,634,158.92 and 457,833.68

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Solution

The fourth proportional to 1,089,283.76, 1,634,158.92 and 457,833.68 is: 686,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,283.76 : 1,634,158.92 = 457,833.68 : x
  2. Step 2: Convert to fraction form
    1,089,283.76/1,634,158.92 = 457,833.68/x
  3. Step 3: Cross multiply
    1,089,283.76x = 1,634,158.92 × 457,833.68
  4. Step 4: Simplify right side
    1,089,283.76x = 748,172,992,048.43
  5. Step 5: Solve for x
    x = 748,172,992,048.43/1,089,283.76
  6. Step 6: Final answer
    x = 686,848.57

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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.