Home / 1,161,432.66-1,742,157.63-320,030.58

Finding the Fourth Proportional to 1,161,432.66, 1,742,157.63 and 320,030.58

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Solution

The fourth proportional to 1,161,432.66, 1,742,157.63 and 320,030.58 is: 480,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,432.66 : 1,742,157.63 = 320,030.58 : x
  2. Step 2: Convert to fraction form
    1,161,432.66/1,742,157.63 = 320,030.58/x
  3. Step 3: Cross multiply
    1,161,432.66x = 1,742,157.63 × 320,030.58
  4. Step 4: Simplify right side
    1,161,432.66x = 557,543,716,780.33
  5. Step 5: Solve for x
    x = 557,543,716,780.33/1,161,432.66
  6. Step 6: Final answer
    x = 480,048.25

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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.