Home / 1,445,158.56-2,168,221.80-472,567.70

Finding the Fourth Proportional to 1,445,158.56, 2,168,221.80 and 472,567.70

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Solution

The fourth proportional to 1,445,158.56, 2,168,221.80 and 472,567.70 is: 709,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,158.56 : 2,168,221.80 = 472,567.70 : x
  2. Step 2: Convert to fraction form
    1,445,158.56/2,168,221.80 = 472,567.70/x
  3. Step 3: Cross multiply
    1,445,158.56x = 2,168,221.80 × 472,567.70
  4. Step 4: Simplify right side
    1,445,158.56x = 1,024,631,589,115.86
  5. Step 5: Solve for x
    x = 1,024,631,589,115.86/1,445,158.56
  6. Step 6: Final answer
    x = 709,009.81

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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.